Home / 172,175,061-237,686,411.43-119,291,870.10

Finding the Fourth Proportional to 172,175,061, 237,686,411.43 and 119,291,870.10

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Solution

The fourth proportional to 172,175,061, 237,686,411.43 and 119,291,870.10 is: 164,681,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,175,061 : 237,686,411.43 = 119,291,870.10 : x
  2. Step 2: Convert to fraction form
    172,175,061/237,686,411.43 = 119,291,870.10/x
  3. Step 3: Cross multiply
    172,175,061x = 237,686,411.43 × 119,291,870.10
  4. Step 4: Simplify right side
    172,175,061x = 28,354,056,516,842,716
  5. Step 5: Solve for x
    x = 28,354,056,516,842,716/172,175,061
  6. Step 6: Final answer
    x = 164,681,553.48

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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.