Home / 57,432,007.80-86,148,011.70-47,228,340.60

Finding the Fourth Proportional to 57,432,007.80, 86,148,011.70 and 47,228,340.60

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Solution

The fourth proportional to 57,432,007.80, 86,148,011.70 and 47,228,340.60 is: 70,842,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432,007.80 : 86,148,011.70 = 47,228,340.60 : x
  2. Step 2: Convert to fraction form
    57,432,007.80/86,148,011.70 = 47,228,340.60/x
  3. Step 3: Cross multiply
    57,432,007.80x = 86,148,011.70 × 47,228,340.60
  4. Step 4: Simplify right side
    57,432,007.80x = 4,068,627,638,580,385.50
  5. Step 5: Solve for x
    x = 4,068,627,638,580,385.50/57,432,007.80
  6. Step 6: Final answer
    x = 70,842,510.90

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Similar ratio
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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.