Home / 83,030,427.60-124,545,641.40-54,364,981.20

Finding the Fourth Proportional to 83,030,427.60, 124,545,641.40 and 54,364,981.20

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Solution

The fourth proportional to 83,030,427.60, 124,545,641.40 and 54,364,981.20 is: 81,547,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030,427.60 : 124,545,641.40 = 54,364,981.20 : x
  2. Step 2: Convert to fraction form
    83,030,427.60/124,545,641.40 = 54,364,981.20/x
  3. Step 3: Cross multiply
    83,030,427.60x = 124,545,641.40 × 54,364,981.20
  4. Step 4: Simplify right side
    83,030,427.60x = 6,770,921,453,252,942
  5. Step 5: Solve for x
    x = 6,770,921,453,252,942/83,030,427.60
  6. Step 6: Final answer
    x = 81,547,471.80

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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.