Home / 99,343,749.76-137,098,889.22-55,293,569.98

Finding the Fourth Proportional to 99,343,749.76, 137,098,889.22 and 55,293,569.98

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Solution

The fourth proportional to 99,343,749.76, 137,098,889.22 and 55,293,569.98 is: 76,307,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,343,749.76 : 137,098,889.22 = 55,293,569.98 : x
  2. Step 2: Convert to fraction form
    99,343,749.76/137,098,889.22 = 55,293,569.98/x
  3. Step 3: Cross multiply
    99,343,749.76x = 137,098,889.22 × 55,293,569.98
  4. Step 4: Simplify right side
    99,343,749.76x = 7,580,687,025,266,337
  5. Step 5: Solve for x
    x = 7,580,687,025,266,337/99,343,749.76
  6. Step 6: Final answer
    x = 76,307,639.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.