Home / 91,889,396.96-137,750,669.87-45,845,348.72

Finding the Fourth Proportional to 91,889,396.96, 137,750,669.87 and 45,845,348.72

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Solution

The fourth proportional to 91,889,396.96, 137,750,669.87 and 45,845,348.72 is: 68,726,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,889,396.96 : 137,750,669.87 = 45,845,348.72 : x
  2. Step 2: Convert to fraction form
    91,889,396.96/137,750,669.87 = 45,845,348.72/x
  3. Step 3: Cross multiply
    91,889,396.96x = 137,750,669.87 × 45,845,348.72
  4. Step 4: Simplify right side
    91,889,396.96x = 6,315,227,495,685,768
  5. Step 5: Solve for x
    x = 6,315,227,495,685,768/91,889,396.96
  6. Step 6: Final answer
    x = 68,726,400.49

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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.