Home / 131,239,116.09-181,115,159.90-75,484,447.04

Finding the Fourth Proportional to 131,239,116.09, 181,115,159.90 and 75,484,447.04

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Solution

The fourth proportional to 131,239,116.09, 181,115,159.90 and 75,484,447.04 is: 104,171,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239,116.09 : 181,115,159.90 = 75,484,447.04 : x
  2. Step 2: Convert to fraction form
    131,239,116.09/181,115,159.90 = 75,484,447.04/x
  3. Step 3: Cross multiply
    131,239,116.09x = 181,115,159.90 × 75,484,447.04
  4. Step 4: Simplify right side
    131,239,116.09x = 13,671,377,695,688,048
  5. Step 5: Solve for x
    x = 13,671,377,695,688,048/131,239,116.09
  6. Step 6: Final answer
    x = 104,171,516.11

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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.