Home / 42,532,980.80-63,799,471.20-40,293,492.80

Finding the Fourth Proportional to 42,532,980.80, 63,799,471.20 and 40,293,492.80

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Solution

The fourth proportional to 42,532,980.80, 63,799,471.20 and 40,293,492.80 is: 60,440,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532,980.80 : 63,799,471.20 = 40,293,492.80 : x
  2. Step 2: Convert to fraction form
    42,532,980.80/63,799,471.20 = 40,293,492.80/x
  3. Step 3: Cross multiply
    42,532,980.80x = 63,799,471.20 × 40,293,492.80
  4. Step 4: Simplify right side
    42,532,980.80x = 2,570,703,533,441,007.50
  5. Step 5: Solve for x
    x = 2,570,703,533,441,007.50/42,532,980.80
  6. Step 6: Final answer
    x = 60,440,239.20

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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.