Home / 98,337,807.60-147,506,711.40-47,319,471.60

Finding the Fourth Proportional to 98,337,807.60, 147,506,711.40 and 47,319,471.60

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Solution

The fourth proportional to 98,337,807.60, 147,506,711.40 and 47,319,471.60 is: 70,979,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337,807.60 : 147,506,711.40 = 47,319,471.60 : x
  2. Step 2: Convert to fraction form
    98,337,807.60/147,506,711.40 = 47,319,471.60/x
  3. Step 3: Cross multiply
    98,337,807.60x = 147,506,711.40 × 47,319,471.60
  4. Step 4: Simplify right side
    98,337,807.60x = 6,979,939,640,901,697
  5. Step 5: Solve for x
    x = 6,979,939,640,901,697/98,337,807.60
  6. Step 6: Final answer
    x = 70,979,207.40

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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.