Home / 64,755,073.72-97,182,979.92-45,197,243.02

Finding the Fourth Proportional to 64,755,073.72, 97,182,979.92 and 45,197,243.02

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Solution

The fourth proportional to 64,755,073.72, 97,182,979.92 and 45,197,243.02 is: 67,831,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755,073.72 : 97,182,979.92 = 45,197,243.02 : x
  2. Step 2: Convert to fraction form
    64,755,073.72/97,182,979.92 = 45,197,243.02/x
  3. Step 3: Cross multiply
    64,755,073.72x = 97,182,979.92 × 45,197,243.02
  4. Step 4: Simplify right side
    64,755,073.72x = 4,392,402,760,609,062.50
  5. Step 5: Solve for x
    x = 4,392,402,760,609,062.50/64,755,073.72
  6. Step 6: Final answer
    x = 67,831,020.93

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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.