Home / 151,516,046.58-209,092,206.29-81,901,427.28

Finding the Fourth Proportional to 151,516,046.58, 209,092,206.29 and 81,901,427.28

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Solution

The fourth proportional to 151,516,046.58, 209,092,206.29 and 81,901,427.28 is: 113,024,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,516,046.58 : 209,092,206.29 = 81,901,427.28 : x
  2. Step 2: Convert to fraction form
    151,516,046.58/209,092,206.29 = 81,901,427.28/x
  3. Step 3: Cross multiply
    151,516,046.58x = 209,092,206.29 × 81,901,427.28
  4. Step 4: Simplify right side
    151,516,046.58x = 17,124,950,127,865,686
  5. Step 5: Solve for x
    x = 17,124,950,127,865,686/151,516,046.58
  6. Step 6: Final answer
    x = 113,024,003.16

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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.