Home / 49,371,312.80-74,056,969.20-42,064,983.20

Finding the Fourth Proportional to 49,371,312.80, 74,056,969.20 and 42,064,983.20

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Solution

The fourth proportional to 49,371,312.80, 74,056,969.20 and 42,064,983.20 is: 63,097,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371,312.80 : 74,056,969.20 = 42,064,983.20 : x
  2. Step 2: Convert to fraction form
    49,371,312.80/74,056,969.20 = 42,064,983.20/x
  3. Step 3: Cross multiply
    49,371,312.80x = 74,056,969.20 × 42,064,983.20
  4. Step 4: Simplify right side
    49,371,312.80x = 3,115,205,165,240,918
  5. Step 5: Solve for x
    x = 3,115,205,165,240,918/49,371,312.80
  6. Step 6: Final answer
    x = 63,097,474.80

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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.