Home / 62,520,221.80-93,780,332.70-42,112,887.40

Finding the Fourth Proportional to 62,520,221.80, 93,780,332.70 and 42,112,887.40

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Solution

The fourth proportional to 62,520,221.80, 93,780,332.70 and 42,112,887.40 is: 63,169,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,520,221.80 : 93,780,332.70 = 42,112,887.40 : x
  2. Step 2: Convert to fraction form
    62,520,221.80/93,780,332.70 = 42,112,887.40/x
  3. Step 3: Cross multiply
    62,520,221.80x = 93,780,332.70 × 42,112,887.40
  4. Step 4: Simplify right side
    62,520,221.80x = 3,949,360,591,329,638
  5. Step 5: Solve for x
    x = 3,949,360,591,329,638/62,520,221.80
  6. Step 6: Final answer
    x = 63,169,331.10

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1.5x scale

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.