Home / 61,931,459.40-92,894,236.65-20,986,882.80

Finding the Fourth Proportional to 61,931,459.40, 92,894,236.65 and 20,986,882.80

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Solution

The fourth proportional to 61,931,459.40, 92,894,236.65 and 20,986,882.80 is: 31,479,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,931,459.40 : 92,894,236.65 = 20,986,882.80 : x
  2. Step 2: Convert to fraction form
    61,931,459.40/92,894,236.65 = 20,986,882.80/x
  3. Step 3: Cross multiply
    61,931,459.40x = 92,894,236.65 × 20,986,882.80
  4. Step 4: Simplify right side
    61,931,459.40x = 1,949,560,457,369,014.75
  5. Step 5: Solve for x
    x = 1,949,560,457,369,014.75/61,931,459.40
  6. Step 6: Final answer
    x = 31,479,323.70

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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.