Home / 104,356,830.40-156,535,245.60-65,557,700.80

Finding the Fourth Proportional to 104,356,830.40, 156,535,245.60 and 65,557,700.80

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Solution

The fourth proportional to 104,356,830.40, 156,535,245.60 and 65,557,700.80 is: 98,336,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,356,830.40 : 156,535,245.60 = 65,557,700.80 : x
  2. Step 2: Convert to fraction form
    104,356,830.40/156,535,245.60 = 65,557,700.80/x
  3. Step 3: Cross multiply
    104,356,830.40x = 156,535,245.60 × 65,557,700.80
  4. Step 4: Simplify right side
    104,356,830.40x = 10,262,090,795,699,316
  5. Step 5: Solve for x
    x = 10,262,090,795,699,316/104,356,830.40
  6. Step 6: Final answer
    x = 98,336,551.20

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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.