Home / 103,558,446.60-155,393,657.10-42,980,296.20

Finding the Fourth Proportional to 103,558,446.60, 155,393,657.10 and 42,980,296.20

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Solution

The fourth proportional to 103,558,446.60, 155,393,657.10 and 42,980,296.20 is: 64,493,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558,446.60 : 155,393,657.10 = 42,980,296.20 : x
  2. Step 2: Convert to fraction form
    103,558,446.60/155,393,657.10 = 42,980,296.20/x
  3. Step 3: Cross multiply
    103,558,446.60x = 155,393,657.10 × 42,980,296.20
  4. Step 4: Simplify right side
    103,558,446.60x = 6,678,865,409,759,233
  5. Step 5: Solve for x
    x = 6,678,865,409,759,233/103,558,446.60
  6. Step 6: Final answer
    x = 64,493,680.90

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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.