Home / 99,815,297.60-149,789,301.60-56,684,417.60

Finding the Fourth Proportional to 99,815,297.60, 149,789,301.60 and 56,684,417.60

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Solution

The fourth proportional to 99,815,297.60, 149,789,301.60 and 56,684,417.60 is: 85,064,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815,297.60 : 149,789,301.60 = 56,684,417.60 : x
  2. Step 2: Convert to fraction form
    99,815,297.60/149,789,301.60 = 56,684,417.60/x
  3. Step 3: Cross multiply
    99,815,297.60x = 149,789,301.60 × 56,684,417.60
  4. Step 4: Simplify right side
    99,815,297.60x = 8,490,719,323,906,748
  5. Step 5: Solve for x
    x = 8,490,719,323,906,748/99,815,297.60
  6. Step 6: Final answer
    x = 85,064,309.06

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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.