Home / 70,681,641.20-106,022,461.80-42,016,194.80

Finding the Fourth Proportional to 70,681,641.20, 106,022,461.80 and 42,016,194.80

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Solution

The fourth proportional to 70,681,641.20, 106,022,461.80 and 42,016,194.80 is: 63,024,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681,641.20 : 106,022,461.80 = 42,016,194.80 : x
  2. Step 2: Convert to fraction form
    70,681,641.20/106,022,461.80 = 42,016,194.80/x
  3. Step 3: Cross multiply
    70,681,641.20x = 106,022,461.80 × 42,016,194.80
  4. Step 4: Simplify right side
    70,681,641.20x = 4,454,660,408,164,358
  5. Step 5: Solve for x
    x = 4,454,660,408,164,358/70,681,641.20
  6. Step 6: Final answer
    x = 63,024,292.20

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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.