Home / 90,058,179.04-124,280,393.36-48,805,071.41

Finding the Fourth Proportional to 90,058,179.04, 124,280,393.36 and 48,805,071.41

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Solution

The fourth proportional to 90,058,179.04, 124,280,393.36 and 48,805,071.41 is: 67,351,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058,179.04 : 124,280,393.36 = 48,805,071.41 : x
  2. Step 2: Convert to fraction form
    90,058,179.04/124,280,393.36 = 48,805,071.41/x
  3. Step 3: Cross multiply
    90,058,179.04x = 124,280,393.36 × 48,805,071.41
  4. Step 4: Simplify right side
    90,058,179.04x = 6,065,513,472,864,366
  5. Step 5: Solve for x
    x = 6,065,513,472,864,366/90,058,179.04
  6. Step 6: Final answer
    x = 67,351,056.15

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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.