Home / 65,207,904.18-90,065,829.60-47,538,825

Finding the Fourth Proportional to 65,207,904.18, 90,065,829.60 and 47,538,825

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Solution

The fourth proportional to 65,207,904.18, 90,065,829.60 and 47,538,825 is: 65,661,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,904.18 : 90,065,829.60 = 47,538,825 : x
  2. Step 2: Convert to fraction form
    65,207,904.18/90,065,829.60 = 47,538,825/x
  3. Step 3: Cross multiply
    65,207,904.18x = 90,065,829.60 × 47,538,825
  4. Step 4: Simplify right side
    65,207,904.18x = 4,281,623,711,834,219.50
  5. Step 5: Solve for x
    x = 4,281,623,711,834,219.50/65,207,904.18
  6. Step 6: Final answer
    x = 65,661,115.25

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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.