Home / 61,480,205.44-84,881,812.80-38,309,372.80

Finding the Fourth Proportional to 61,480,205.44, 84,881,812.80 and 38,309,372.80

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Solution

The fourth proportional to 61,480,205.44, 84,881,812.80 and 38,309,372.80 is: 52,891,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480,205.44 : 84,881,812.80 = 38,309,372.80 : x
  2. Step 2: Convert to fraction form
    61,480,205.44/84,881,812.80 = 38,309,372.80/x
  3. Step 3: Cross multiply
    61,480,205.44x = 84,881,812.80 × 38,309,372.80
  4. Step 4: Simplify right side
    61,480,205.44x = 3,251,769,010,495,011.50
  5. Step 5: Solve for x
    x = 3,251,769,010,495,011.50/61,480,205.44
  6. Step 6: Final answer
    x = 52,891,316.60

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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.