Home / 56,050,915.74-77,350,311.88-31,271,106.43

Finding the Fourth Proportional to 56,050,915.74, 77,350,311.88 and 31,271,106.43

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Solution

The fourth proportional to 56,050,915.74, 77,350,311.88 and 31,271,106.43 is: 43,154,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,050,915.74 : 77,350,311.88 = 31,271,106.43 : x
  2. Step 2: Convert to fraction form
    56,050,915.74/77,350,311.88 = 31,271,106.43/x
  3. Step 3: Cross multiply
    56,050,915.74x = 77,350,311.88 × 31,271,106.43
  4. Step 4: Simplify right side
    56,050,915.74x = 2,418,829,834,921,619.50
  5. Step 5: Solve for x
    x = 2,418,829,834,921,619.50/56,050,915.74
  6. Step 6: Final answer
    x = 43,154,153.74

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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.