Home / 89,712,182.76-123,802,862.02-48,459,075.54

Finding the Fourth Proportional to 89,712,182.76, 123,802,862.02 and 48,459,075.54

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Solution

The fourth proportional to 89,712,182.76, 123,802,862.02 and 48,459,075.54 is: 66,873,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,182.76 : 123,802,862.02 = 48,459,075.54 : x
  2. Step 2: Convert to fraction form
    89,712,182.76/123,802,862.02 = 48,459,075.54/x
  3. Step 3: Cross multiply
    89,712,182.76x = 123,802,862.02 × 48,459,075.54
  4. Step 4: Simplify right side
    89,712,182.76x = 5,999,372,242,695,377
  5. Step 5: Solve for x
    x = 5,999,372,242,695,377/89,712,182.76
  6. Step 6: Final answer
    x = 66,873,551.15

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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.