Home / 42,601,407.60-63,944,101.80-21,060,332.40

Finding the Fourth Proportional to 42,601,407.60, 63,944,101.80 and 21,060,332.40

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Solution

The fourth proportional to 42,601,407.60, 63,944,101.80 and 21,060,332.40 is: 31,611,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601,407.60 : 63,944,101.80 = 21,060,332.40 : x
  2. Step 2: Convert to fraction form
    42,601,407.60/63,944,101.80 = 21,060,332.40/x
  3. Step 3: Cross multiply
    42,601,407.60x = 63,944,101.80 × 21,060,332.40
  4. Step 4: Simplify right side
    42,601,407.60x = 1,346,684,038,927,438.25
  5. Step 5: Solve for x
    x = 1,346,684,038,927,438.25/42,601,407.60
  6. Step 6: Final answer
    x = 31,611,256.88

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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.