Home / 103,583,776.68-142,945,624.26-57,174,043.14

Finding the Fourth Proportional to 103,583,776.68, 142,945,624.26 and 57,174,043.14

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Solution

The fourth proportional to 103,583,776.68, 142,945,624.26 and 57,174,043.14 is: 78,900,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,583,776.68 : 142,945,624.26 = 57,174,043.14 : x
  2. Step 2: Convert to fraction form
    103,583,776.68/142,945,624.26 = 57,174,043.14/x
  3. Step 3: Cross multiply
    103,583,776.68x = 142,945,624.26 × 57,174,043.14
  4. Step 4: Simplify right side
    103,583,776.68x = 8,172,779,288,115,470
  5. Step 5: Solve for x
    x = 8,172,779,288,115,470/103,583,776.68
  6. Step 6: Final answer
    x = 78,900,186.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.