Home / 91,584,977.60-137,377,466.40-64,711,121.60

Finding the Fourth Proportional to 91,584,977.60, 137,377,466.40 and 64,711,121.60

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Solution

The fourth proportional to 91,584,977.60, 137,377,466.40 and 64,711,121.60 is: 97,066,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584,977.60 : 137,377,466.40 = 64,711,121.60 : x
  2. Step 2: Convert to fraction form
    91,584,977.60/137,377,466.40 = 64,711,121.60/x
  3. Step 3: Cross multiply
    91,584,977.60x = 137,377,466.40 × 64,711,121.60
  4. Step 4: Simplify right side
    91,584,977.60x = 8,889,849,933,310,315
  5. Step 5: Solve for x
    x = 8,889,849,933,310,315/91,584,977.60
  6. Step 6: Final answer
    x = 97,066,682.40

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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.