Home / 155,418,680.32-214,574,572.77-98,935,296.23

Finding the Fourth Proportional to 155,418,680.32, 214,574,572.77 and 98,935,296.23

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Solution

The fourth proportional to 155,418,680.32, 214,574,572.77 and 98,935,296.23 is: 136,592,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418,680.32 : 214,574,572.77 = 98,935,296.23 : x
  2. Step 2: Convert to fraction form
    155,418,680.32/214,574,572.77 = 98,935,296.23/x
  3. Step 3: Cross multiply
    155,418,680.32x = 214,574,572.77 × 98,935,296.23
  4. Step 4: Simplify right side
    155,418,680.32x = 21,228,998,918,981,760
  5. Step 5: Solve for x
    x = 21,228,998,918,981,760/155,418,680.32
  6. Step 6: Final answer
    x = 136,592,325.17

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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.