Home / 49,896,816.80-74,845,225.20-42,590,487.20

Finding the Fourth Proportional to 49,896,816.80, 74,845,225.20 and 42,590,487.20

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Solution

The fourth proportional to 49,896,816.80, 74,845,225.20 and 42,590,487.20 is: 63,885,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896,816.80 : 74,845,225.20 = 42,590,487.20 : x
  2. Step 2: Convert to fraction form
    49,896,816.80/74,845,225.20 = 42,590,487.20/x
  3. Step 3: Cross multiply
    49,896,816.80x = 74,845,225.20 × 42,590,487.20
  4. Step 4: Simplify right side
    49,896,816.80x = 3,187,694,605,861,718
  5. Step 5: Solve for x
    x = 3,187,694,605,861,718/49,896,816.80
  6. Step 6: Final answer
    x = 63,885,730.80

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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.