Home / 72,046,594.76-99,424,157.96-39,006,834.88

Finding the Fourth Proportional to 72,046,594.76, 99,424,157.96 and 39,006,834.88

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Solution

The fourth proportional to 72,046,594.76, 99,424,157.96 and 39,006,834.88 is: 53,829,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,594.76 : 99,424,157.96 = 39,006,834.88 : x
  2. Step 2: Convert to fraction form
    72,046,594.76/99,424,157.96 = 39,006,834.88/x
  3. Step 3: Cross multiply
    72,046,594.76x = 99,424,157.96 × 39,006,834.88
  4. Step 4: Simplify right side
    72,046,594.76x = 3,878,221,712,628,757.50
  5. Step 5: Solve for x
    x = 3,878,221,712,628,757.50/72,046,594.76
  6. Step 6: Final answer
    x = 53,829,354.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.