Home / 145,710,136.89-218,541,262.55-52,317,776.79

Finding the Fourth Proportional to 145,710,136.89, 218,541,262.55 and 52,317,776.79

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Solution

The fourth proportional to 145,710,136.89, 218,541,262.55 and 52,317,776.79 is: 78,468,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,710,136.89 : 218,541,262.55 = 52,317,776.79 : x
  2. Step 2: Convert to fraction form
    145,710,136.89/218,541,262.55 = 52,317,776.79/x
  3. Step 3: Cross multiply
    145,710,136.89x = 218,541,262.55 × 52,317,776.79
  4. Step 4: Simplify right side
    145,710,136.89x = 11,433,592,993,234,096
  5. Step 5: Solve for x
    x = 11,433,592,993,234,096/145,710,136.89
  6. Step 6: Final answer
    x = 78,468,068.44

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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.