Home / 83,965,809.60-126,004,701.60-47,574,129.60

Finding the Fourth Proportional to 83,965,809.60, 126,004,701.60 and 47,574,129.60

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Solution

The fourth proportional to 83,965,809.60, 126,004,701.60 and 47,574,129.60 is: 71,392,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,965,809.60 : 126,004,701.60 = 47,574,129.60 : x
  2. Step 2: Convert to fraction form
    83,965,809.60/126,004,701.60 = 47,574,129.60/x
  3. Step 3: Cross multiply
    83,965,809.60x = 126,004,701.60 × 47,574,129.60
  4. Step 4: Simplify right side
    83,965,809.60x = 5,994,564,004,127,727
  5. Step 5: Solve for x
    x = 5,994,564,004,127,727/83,965,809.60
  6. Step 6: Final answer
    x = 71,392,916.15

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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.