Home / 88,276,671.88-121,821,693.05-54,773,690.22

Finding the Fourth Proportional to 88,276,671.88, 121,821,693.05 and 54,773,690.22

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Solution

The fourth proportional to 88,276,671.88, 121,821,693.05 and 54,773,690.22 is: 75,587,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276,671.88 : 121,821,693.05 = 54,773,690.22 : x
  2. Step 2: Convert to fraction form
    88,276,671.88/121,821,693.05 = 54,773,690.22/x
  3. Step 3: Cross multiply
    88,276,671.88x = 121,821,693.05 × 54,773,690.22
  4. Step 4: Simplify right side
    88,276,671.88x = 6,672,623,677,333,561
  5. Step 5: Solve for x
    x = 6,672,623,677,333,561/88,276,671.88
  6. Step 6: Final answer
    x = 75,587,621.68

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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.