Home / 310,870,985.60-466,605,076.80-157,690,006.40

Finding the Fourth Proportional to 310,870,985.60, 466,605,076.80 and 157,690,006.40

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Solution

The fourth proportional to 310,870,985.60, 466,605,076.80 and 157,690,006.40 is: 236,686,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,870,985.60 : 466,605,076.80 = 157,690,006.40 : x
  2. Step 2: Convert to fraction form
    310,870,985.60/466,605,076.80 = 157,690,006.40/x
  3. Step 3: Cross multiply
    310,870,985.60x = 466,605,076.80 × 157,690,006.40
  4. Step 4: Simplify right side
    310,870,985.60x = 73,578,957,546,864,496
  5. Step 5: Solve for x
    x = 73,578,957,546,864,496/310,870,985.60
  6. Step 6: Final answer
    x = 236,686,474.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.