Home / 70,862,960.20-97,790,884.50-38,267,909.32

Finding the Fourth Proportional to 70,862,960.20, 97,790,884.50 and 38,267,909.32

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Solution

The fourth proportional to 70,862,960.20, 97,790,884.50 and 38,267,909.32 is: 52,809,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862,960.20 : 97,790,884.50 = 38,267,909.32 : x
  2. Step 2: Convert to fraction form
    70,862,960.20/97,790,884.50 = 38,267,909.32/x
  3. Step 3: Cross multiply
    70,862,960.20x = 97,790,884.50 × 38,267,909.32
  4. Step 4: Simplify right side
    70,862,960.20x = 3,742,252,700,368,593.50
  5. Step 5: Solve for x
    x = 3,742,252,700,368,593.50/70,862,960.20
  6. Step 6: Final answer
    x = 52,809,714.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.