Home / 77,491,358.88-106,934,124.96-42,683,300.16

Finding the Fourth Proportional to 77,491,358.88, 106,934,124.96 and 42,683,300.16

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Solution

The fourth proportional to 77,491,358.88, 106,934,124.96 and 42,683,300.16 is: 58,900,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491,358.88 : 106,934,124.96 = 42,683,300.16 : x
  2. Step 2: Convert to fraction form
    77,491,358.88/106,934,124.96 = 42,683,300.16/x
  3. Step 3: Cross multiply
    77,491,358.88x = 106,934,124.96 × 42,683,300.16
  4. Step 4: Simplify right side
    77,491,358.88x = 4,564,301,353,014,627
  5. Step 5: Solve for x
    x = 4,564,301,353,014,627/77,491,358.88
  6. Step 6: Final answer
    x = 58,900,778.34

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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.