Home / 430,345,870.29-645,516,658.46-168,057,070.92

Finding the Fourth Proportional to 430,345,870.29, 645,516,658.46 and 168,057,070.92

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Solution

The fourth proportional to 430,345,870.29, 645,516,658.46 and 168,057,070.92 is: 252,084,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,345,870.29 : 645,516,658.46 = 168,057,070.92 : x
  2. Step 2: Convert to fraction form
    430,345,870.29/645,516,658.46 = 168,057,070.92/x
  3. Step 3: Cross multiply
    430,345,870.29x = 645,516,658.46 × 168,057,070.92
  4. Step 4: Simplify right side
    430,345,870.29x = 108,483,638,850,853,632
  5. Step 5: Solve for x
    x = 108,483,638,850,853,632/430,345,870.29
  6. Step 6: Final answer
    x = 252,084,767.95

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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.