Home / 62,520,220.80-93,780,331.20-42,112,886.40

Finding the Fourth Proportional to 62,520,220.80, 93,780,331.20 and 42,112,886.40

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Solution

The fourth proportional to 62,520,220.80, 93,780,331.20 and 42,112,886.40 is: 63,169,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,520,220.80 : 93,780,331.20 = 42,112,886.40 : x
  2. Step 2: Convert to fraction form
    62,520,220.80/93,780,331.20 = 42,112,886.40/x
  3. Step 3: Cross multiply
    62,520,220.80x = 93,780,331.20 × 42,112,886.40
  4. Step 4: Simplify right side
    62,520,220.80x = 3,949,360,434,379,975.50
  5. Step 5: Solve for x
    x = 3,949,360,434,379,975.50/62,520,220.80
  6. Step 6: Final answer
    x = 63,169,329.60

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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.