Home / 189,130,005.70-283,695,008.55-124,506,780.10

Finding the Fourth Proportional to 189,130,005.70, 283,695,008.55 and 124,506,780.10

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Solution

The fourth proportional to 189,130,005.70, 283,695,008.55 and 124,506,780.10 is: 186,760,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,130,005.70 : 283,695,008.55 = 124,506,780.10 : x
  2. Step 2: Convert to fraction form
    189,130,005.70/283,695,008.55 = 124,506,780.10/x
  3. Step 3: Cross multiply
    189,130,005.70x = 283,695,008.55 × 124,506,780.10
  4. Step 4: Simplify right side
    189,130,005.70x = 35,321,952,045,002,468
  5. Step 5: Solve for x
    x = 35,321,952,045,002,468/189,130,005.70
  6. Step 6: Final answer
    x = 186,760,170.15

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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.