Home / 307,103,985.10-460,655,977.65-99,841,995.10

Finding the Fourth Proportional to 307,103,985.10, 460,655,977.65 and 99,841,995.10

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Solution

The fourth proportional to 307,103,985.10, 460,655,977.65 and 99,841,995.10 is: 149,762,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,103,985.10 : 460,655,977.65 = 99,841,995.10 : x
  2. Step 2: Convert to fraction form
    307,103,985.10/460,655,977.65 = 99,841,995.10/x
  3. Step 3: Cross multiply
    307,103,985.10x = 460,655,977.65 × 99,841,995.10
  4. Step 4: Simplify right side
    307,103,985.10x = 45,992,811,863,317,008
  5. Step 5: Solve for x
    x = 45,992,811,863,317,008/307,103,985.10
  6. Step 6: Final answer
    x = 149,762,992.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.