Home / 74,890,180.80-112,335,271.20-29,428,574.40

Finding the Fourth Proportional to 74,890,180.80, 112,335,271.20 and 29,428,574.40

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Solution

The fourth proportional to 74,890,180.80, 112,335,271.20 and 29,428,574.40 is: 44,142,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,180.80 : 112,335,271.20 = 29,428,574.40 : x
  2. Step 2: Convert to fraction form
    74,890,180.80/112,335,271.20 = 29,428,574.40/x
  3. Step 3: Cross multiply
    74,890,180.80x = 112,335,271.20 × 29,428,574.40
  4. Step 4: Simplify right side
    74,890,180.80x = 3,305,866,886,253,377
  5. Step 5: Solve for x
    x = 3,305,866,886,253,377/74,890,180.80
  6. Step 6: Final answer
    x = 44,142,861.60

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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.