Home / 93,789,684.40-140,684,864.91-66,413,165.58

Finding the Fourth Proportional to 93,789,684.40, 140,684,864.91 and 66,413,165.58

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Solution

The fourth proportional to 93,789,684.40, 140,684,864.91 and 66,413,165.58 is: 99,619,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,789,684.40 : 140,684,864.91 = 66,413,165.58 : x
  2. Step 2: Convert to fraction form
    93,789,684.40/140,684,864.91 = 66,413,165.58/x
  3. Step 3: Cross multiply
    93,789,684.40x = 140,684,864.91 × 66,413,165.58
  4. Step 4: Simplify right side
    93,789,684.40x = 9,343,327,228,200,938
  5. Step 5: Solve for x
    x = 9,343,327,228,200,938/93,789,684.40
  6. Step 6: Final answer
    x = 99,619,987.94

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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.