Home / 157,761,362.29-237,718,879.86-129,637,504.57

Finding the Fourth Proportional to 157,761,362.29, 237,718,879.86 and 129,637,504.57

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Solution

The fourth proportional to 157,761,362.29, 237,718,879.86 and 129,637,504.57 is: 195,341,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,362.29 : 237,718,879.86 = 129,637,504.57 : x
  2. Step 2: Convert to fraction form
    157,761,362.29/237,718,879.86 = 129,637,504.57/x
  3. Step 3: Cross multiply
    157,761,362.29x = 237,718,879.86 × 129,637,504.57
  4. Step 4: Simplify right side
    157,761,362.29x = 30,817,282,374,198,128
  5. Step 5: Solve for x
    x = 30,817,282,374,198,128/157,761,362.29
  6. Step 6: Final answer
    x = 195,341,127.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.