Home / 207,381,685.38-286,195,420.17-119,275,707.66

Finding the Fourth Proportional to 207,381,685.38, 286,195,420.17 and 119,275,707.66

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Solution

The fourth proportional to 207,381,685.38, 286,195,420.17 and 119,275,707.66 is: 164,605,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,381,685.38 : 286,195,420.17 = 119,275,707.66 : x
  2. Step 2: Convert to fraction form
    207,381,685.38/286,195,420.17 = 119,275,707.66/x
  3. Step 3: Cross multiply
    207,381,685.38x = 286,195,420.17 × 119,275,707.66
  4. Step 4: Simplify right side
    207,381,685.38x = 34,136,161,269,827,788
  5. Step 5: Solve for x
    x = 34,136,161,269,827,788/207,381,685.38
  6. Step 6: Final answer
    x = 164,605,477.13

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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.