Home / 42,646,551.60-63,969,827.40-28,285,834.80

Finding the Fourth Proportional to 42,646,551.60, 63,969,827.40 and 28,285,834.80

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Solution

The fourth proportional to 42,646,551.60, 63,969,827.40 and 28,285,834.80 is: 42,428,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,551.60 : 63,969,827.40 = 28,285,834.80 : x
  2. Step 2: Convert to fraction form
    42,646,551.60/63,969,827.40 = 28,285,834.80/x
  3. Step 3: Cross multiply
    42,646,551.60x = 63,969,827.40 × 28,285,834.80
  4. Step 4: Simplify right side
    42,646,551.60x = 1,809,439,970,020,913.50
  5. Step 5: Solve for x
    x = 1,809,439,970,020,913.50/42,646,551.60
  6. Step 6: Final answer
    x = 42,428,752.20

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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.