Home / 99,665,059.20-149,497,588.80-97,985,443.20

Finding the Fourth Proportional to 99,665,059.20, 149,497,588.80 and 97,985,443.20

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Solution

The fourth proportional to 99,665,059.20, 149,497,588.80 and 97,985,443.20 is: 146,978,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,665,059.20 : 149,497,588.80 = 97,985,443.20 : x
  2. Step 2: Convert to fraction form
    99,665,059.20/149,497,588.80 = 97,985,443.20/x
  3. Step 3: Cross multiply
    99,665,059.20x = 149,497,588.80 × 97,985,443.20
  4. Step 4: Simplify right side
    99,665,059.20x = 14,648,587,495,899,358
  5. Step 5: Solve for x
    x = 14,648,587,495,899,358/99,665,059.20
  6. Step 6: Final answer
    x = 146,978,164.80

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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.