Home / 89,712,215.38-123,802,907.04-48,459,108.16

Finding the Fourth Proportional to 89,712,215.38, 123,802,907.04 and 48,459,108.16

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Solution

The fourth proportional to 89,712,215.38, 123,802,907.04 and 48,459,108.16 is: 66,873,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,215.38 : 123,802,907.04 = 48,459,108.16 : x
  2. Step 2: Convert to fraction form
    89,712,215.38/123,802,907.04 = 48,459,108.16/x
  3. Step 3: Cross multiply
    89,712,215.38x = 123,802,907.04 × 48,459,108.16
  4. Step 4: Simplify right side
    89,712,215.38x = 5,999,378,461,912,475
  5. Step 5: Solve for x
    x = 5,999,378,461,912,475/89,712,215.38
  6. Step 6: Final answer
    x = 66,873,596.16

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1.5x scale

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.