Home / 60,656,977.80-90,985,466.70-49,886,440.20

Finding the Fourth Proportional to 60,656,977.80, 90,985,466.70 and 49,886,440.20

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Solution

The fourth proportional to 60,656,977.80, 90,985,466.70 and 49,886,440.20 is: 74,829,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,656,977.80 : 90,985,466.70 = 49,886,440.20 : x
  2. Step 2: Convert to fraction form
    60,656,977.80/90,985,466.70 = 49,886,440.20/x
  3. Step 3: Cross multiply
    60,656,977.80x = 90,985,466.70 × 49,886,440.20
  4. Step 4: Simplify right side
    60,656,977.80x = 4,538,941,043,598,642
  5. Step 5: Solve for x
    x = 4,538,941,043,598,642/60,656,977.80
  6. Step 6: Final answer
    x = 74,829,660.30

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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.