Home / 52,145,132.61-78,220,688.01-13,805,650.47

Finding the Fourth Proportional to 52,145,132.61, 78,220,688.01 and 13,805,650.47

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Solution

The fourth proportional to 52,145,132.61, 78,220,688.01 and 13,805,650.47 is: 20,709,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,132.61 : 78,220,688.01 = 13,805,650.47 : x
  2. Step 2: Convert to fraction form
    52,145,132.61/78,220,688.01 = 13,805,650.47/x
  3. Step 3: Cross multiply
    52,145,132.61x = 78,220,688.01 × 13,805,650.47
  4. Step 4: Simplify right side
    52,145,132.61x = 1,079,887,478,188,980
  5. Step 5: Solve for x
    x = 1,079,887,478,188,980/52,145,132.61
  6. Step 6: Final answer
    x = 20,709,267.08

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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.