Home / 62,381,818.80-93,578,981.40-21,435,865.20

Finding the Fourth Proportional to 62,381,818.80, 93,578,981.40 and 21,435,865.20

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Solution

The fourth proportional to 62,381,818.80, 93,578,981.40 and 21,435,865.20 is: 32,155,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,381,818.80 : 93,578,981.40 = 21,435,865.20 : x
  2. Step 2: Convert to fraction form
    62,381,818.80/93,578,981.40 = 21,435,865.20/x
  3. Step 3: Cross multiply
    62,381,818.80x = 93,578,981.40 × 21,435,865.20
  4. Step 4: Simplify right side
    62,381,818.80x = 2,005,946,430,843,707.25
  5. Step 5: Solve for x
    x = 2,005,946,430,843,707.25/62,381,818.80
  6. Step 6: Final answer
    x = 32,155,946.55

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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.