Home / 90,748,559.40-136,122,839.10-33,246,643.20

Finding the Fourth Proportional to 90,748,559.40, 136,122,839.10 and 33,246,643.20

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Solution

The fourth proportional to 90,748,559.40, 136,122,839.10 and 33,246,643.20 is: 49,869,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,748,559.40 : 136,122,839.10 = 33,246,643.20 : x
  2. Step 2: Convert to fraction form
    90,748,559.40/136,122,839.10 = 33,246,643.20/x
  3. Step 3: Cross multiply
    90,748,559.40x = 136,122,839.10 × 33,246,643.20
  4. Step 4: Simplify right side
    90,748,559.40x = 4,525,627,462,928,709
  5. Step 5: Solve for x
    x = 4,525,627,462,928,709/90,748,559.40
  6. Step 6: Final answer
    x = 49,869,964.80

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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.