Home / 99,842,458.60-149,692,829.10-45,281,182.60

Finding the Fourth Proportional to 99,842,458.60, 149,692,829.10 and 45,281,182.60

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Solution

The fourth proportional to 99,842,458.60, 149,692,829.10 and 45,281,182.60 is: 67,889,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842,458.60 : 149,692,829.10 = 45,281,182.60 : x
  2. Step 2: Convert to fraction form
    99,842,458.60/149,692,829.10 = 45,281,182.60/x
  3. Step 3: Cross multiply
    99,842,458.60x = 149,692,829.10 × 45,281,182.60
  4. Step 4: Simplify right side
    99,842,458.60x = 6,778,268,328,387,694
  5. Step 5: Solve for x
    x = 6,778,268,328,387,694/99,842,458.60
  6. Step 6: Final answer
    x = 67,889,637.57

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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.