Home / 103,623,685.20-155,535,060.60-52,563,358.80

Finding the Fourth Proportional to 103,623,685.20, 155,535,060.60 and 52,563,358.80

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Solution

The fourth proportional to 103,623,685.20, 155,535,060.60 and 52,563,358.80 is: 78,895,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623,685.20 : 155,535,060.60 = 52,563,358.80 : x
  2. Step 2: Convert to fraction form
    103,623,685.20/155,535,060.60 = 52,563,358.80/x
  3. Step 3: Cross multiply
    103,623,685.20x = 155,535,060.60 × 52,563,358.80
  4. Step 4: Simplify right side
    103,623,685.20x = 8,175,445,196,297,543
  5. Step 5: Solve for x
    x = 8,175,445,196,297,543/103,623,685.20
  6. Step 6: Final answer
    x = 78,895,526.45

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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.