Home / 157,168,092.29-216,903,430.73-91,105,645.73

Finding the Fourth Proportional to 157,168,092.29, 216,903,430.73 and 91,105,645.73

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Solution

The fourth proportional to 157,168,092.29, 216,903,430.73 and 91,105,645.73 is: 125,732,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168,092.29 : 216,903,430.73 = 91,105,645.73 : x
  2. Step 2: Convert to fraction form
    157,168,092.29/216,903,430.73 = 91,105,645.73/x
  3. Step 3: Cross multiply
    157,168,092.29x = 216,903,430.73 × 91,105,645.73
  4. Step 4: Simplify right side
    157,168,092.29x = 19,761,127,116,852,220
  5. Step 5: Solve for x
    x = 19,761,127,116,852,220/157,168,092.29
  6. Step 6: Final answer
    x = 125,732,436.08

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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.