Home / 91,897,324.35-137,845,986.53-31,298,437.95

Finding the Fourth Proportional to 91,897,324.35, 137,845,986.53 and 31,298,437.95

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Solution

The fourth proportional to 91,897,324.35, 137,845,986.53 and 31,298,437.95 is: 46,947,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,897,324.35 : 137,845,986.53 = 31,298,437.95 : x
  2. Step 2: Convert to fraction form
    91,897,324.35/137,845,986.53 = 31,298,437.95/x
  3. Step 3: Cross multiply
    91,897,324.35x = 137,845,986.53 × 31,298,437.95
  4. Step 4: Simplify right side
    91,897,324.35x = 4,314,364,055,909,248.50
  5. Step 5: Solve for x
    x = 4,314,364,055,909,248.50/91,897,324.35
  6. Step 6: Final answer
    x = 46,947,656.93

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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.