Home / 99,403,140.84-137,175,026.52-54,748,255.56

Finding the Fourth Proportional to 99,403,140.84, 137,175,026.52 and 54,748,255.56

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Solution

The fourth proportional to 99,403,140.84, 137,175,026.52 and 54,748,255.56 is: 75,551,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,140.84 : 137,175,026.52 = 54,748,255.56 : x
  2. Step 2: Convert to fraction form
    99,403,140.84/137,175,026.52 = 54,748,255.56/x
  3. Step 3: Cross multiply
    99,403,140.84x = 137,175,026.52 × 54,748,255.56
  4. Step 4: Simplify right side
    99,403,140.84x = 7,510,093,408,366,738
  5. Step 5: Solve for x
    x = 7,510,093,408,366,738/99,403,140.84
  6. Step 6: Final answer
    x = 75,551,872.35

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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.