Home / 62,649,937.20-93,974,905.80-45,643,825.20

Finding the Fourth Proportional to 62,649,937.20, 93,974,905.80 and 45,643,825.20

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Solution

The fourth proportional to 62,649,937.20, 93,974,905.80 and 45,643,825.20 is: 68,465,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649,937.20 : 93,974,905.80 = 45,643,825.20 : x
  2. Step 2: Convert to fraction form
    62,649,937.20/93,974,905.80 = 45,643,825.20/x
  3. Step 3: Cross multiply
    62,649,937.20x = 93,974,905.80 × 45,643,825.20
  4. Step 4: Simplify right side
    62,649,937.20x = 4,289,374,173,521,666.50
  5. Step 5: Solve for x
    x = 4,289,374,173,521,666.50/62,649,937.20
  6. Step 6: Final answer
    x = 68,465,737.80

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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.