Home / 61,712,931.92-92,570,185.20-42,538,540.64

Finding the Fourth Proportional to 61,712,931.92, 92,570,185.20 and 42,538,540.64

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Solution

The fourth proportional to 61,712,931.92, 92,570,185.20 and 42,538,540.64 is: 63,808,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712,931.92 : 92,570,185.20 = 42,538,540.64 : x
  2. Step 2: Convert to fraction form
    61,712,931.92/92,570,185.20 = 42,538,540.64/x
  3. Step 3: Cross multiply
    61,712,931.92x = 92,570,185.20 × 42,538,540.64
  4. Step 4: Simplify right side
    61,712,931.92x = 3,937,800,585,182,526.50
  5. Step 5: Solve for x
    x = 3,937,800,585,182,526.50/61,712,931.92
  6. Step 6: Final answer
    x = 63,808,353.66

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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.