Home / 168,316,864.20-252,475,296.30-72,578,752.20

Finding the Fourth Proportional to 168,316,864.20, 252,475,296.30 and 72,578,752.20

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Solution

The fourth proportional to 168,316,864.20, 252,475,296.30 and 72,578,752.20 is: 108,868,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,316,864.20 : 252,475,296.30 = 72,578,752.20 : x
  2. Step 2: Convert to fraction form
    168,316,864.20/252,475,296.30 = 72,578,752.20/x
  3. Step 3: Cross multiply
    168,316,864.20x = 252,475,296.30 × 72,578,752.20
  4. Step 4: Simplify right side
    168,316,864.20x = 18,324,341,966,779,280
  5. Step 5: Solve for x
    x = 18,324,341,966,779,280/168,316,864.20
  6. Step 6: Final answer
    x = 108,868,128.30

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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.