Home / 52,488,056.80-78,732,085.20-45,181,727.20

Finding the Fourth Proportional to 52,488,056.80, 78,732,085.20 and 45,181,727.20

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Solution

The fourth proportional to 52,488,056.80, 78,732,085.20 and 45,181,727.20 is: 67,772,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,056.80 : 78,732,085.20 = 45,181,727.20 : x
  2. Step 2: Convert to fraction form
    52,488,056.80/78,732,085.20 = 45,181,727.20/x
  3. Step 3: Cross multiply
    52,488,056.80x = 78,732,085.20 × 45,181,727.20
  4. Step 4: Simplify right side
    52,488,056.80x = 3,557,251,595,393,558
  5. Step 5: Solve for x
    x = 3,557,251,595,393,558/52,488,056.80
  6. Step 6: Final answer
    x = 67,772,590.80

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1.5x scale

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.