Home / 145,411,337.70-218,117,006.55-99,494,835.30

Finding the Fourth Proportional to 145,411,337.70, 218,117,006.55 and 99,494,835.30

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Solution

The fourth proportional to 145,411,337.70, 218,117,006.55 and 99,494,835.30 is: 149,242,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,411,337.70 : 218,117,006.55 = 99,494,835.30 : x
  2. Step 2: Convert to fraction form
    145,411,337.70/218,117,006.55 = 99,494,835.30/x
  3. Step 3: Cross multiply
    145,411,337.70x = 218,117,006.55 × 99,494,835.30
  4. Step 4: Simplify right side
    145,411,337.70x = 21,701,515,642,821,272
  5. Step 5: Solve for x
    x = 21,701,515,642,821,272/145,411,337.70
  6. Step 6: Final answer
    x = 149,242,252.95

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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.