Home / 121,277,426.10-181,916,139.15-102,145,550.10

Finding the Fourth Proportional to 121,277,426.10, 181,916,139.15 and 102,145,550.10

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Solution

The fourth proportional to 121,277,426.10, 181,916,139.15 and 102,145,550.10 is: 153,218,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,426.10 : 181,916,139.15 = 102,145,550.10 : x
  2. Step 2: Convert to fraction form
    121,277,426.10/181,916,139.15 = 102,145,550.10/x
  3. Step 3: Cross multiply
    121,277,426.10x = 181,916,139.15 × 102,145,550.10
  4. Step 4: Simplify right side
    121,277,426.10x = 18,581,924,105,544,896
  5. Step 5: Solve for x
    x = 18,581,924,105,544,896/121,277,426.10
  6. Step 6: Final answer
    x = 153,218,325.15

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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.