Home / 125,918,526.32-173,765,238.16-68,632,713.91

Finding the Fourth Proportional to 125,918,526.32, 173,765,238.16 and 68,632,713.91

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Solution

The fourth proportional to 125,918,526.32, 173,765,238.16 and 68,632,713.91 is: 94,711,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,918,526.32 : 173,765,238.16 = 68,632,713.91 : x
  2. Step 2: Convert to fraction form
    125,918,526.32/173,765,238.16 = 68,632,713.91/x
  3. Step 3: Cross multiply
    125,918,526.32x = 173,765,238.16 × 68,632,713.91
  4. Step 4: Simplify right side
    125,918,526.32x = 11,925,979,878,370,912
  5. Step 5: Solve for x
    x = 11,925,979,878,370,912/125,918,526.32
  6. Step 6: Final answer
    x = 94,711,876.22

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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.