Home / 65,376,328.40-97,887,545.40-51,220,552.40

Finding the Fourth Proportional to 65,376,328.40, 97,887,545.40 and 51,220,552.40

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Solution

The fourth proportional to 65,376,328.40, 97,887,545.40 and 51,220,552.40 is: 76,692,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376,328.40 : 97,887,545.40 = 51,220,552.40 : x
  2. Step 2: Convert to fraction form
    65,376,328.40/97,887,545.40 = 51,220,552.40/x
  3. Step 3: Cross multiply
    65,376,328.40x = 97,887,545.40 × 51,220,552.40
  4. Step 4: Simplify right side
    65,376,328.40x = 5,013,854,148,468,079
  5. Step 5: Solve for x
    x = 5,013,854,148,468,079/65,376,328.40
  6. Step 6: Final answer
    x = 76,692,195.34

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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.