Home / 99,862,600.80-149,793,901.20-61,399,394.40

Finding the Fourth Proportional to 99,862,600.80, 149,793,901.20 and 61,399,394.40

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Solution

The fourth proportional to 99,862,600.80, 149,793,901.20 and 61,399,394.40 is: 92,099,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862,600.80 : 149,793,901.20 = 61,399,394.40 : x
  2. Step 2: Convert to fraction form
    99,862,600.80/149,793,901.20 = 61,399,394.40/x
  3. Step 3: Cross multiply
    99,862,600.80x = 149,793,901.20 × 61,399,394.40
  4. Step 4: Simplify right side
    99,862,600.80x = 9,197,254,818,493,432
  5. Step 5: Solve for x
    x = 9,197,254,818,493,432/99,862,600.80
  6. Step 6: Final answer
    x = 92,099,091.60

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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.