Home / 91,937,643.60-137,906,465.40-40,765,342.80

Finding the Fourth Proportional to 91,937,643.60, 137,906,465.40 and 40,765,342.80

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Solution

The fourth proportional to 91,937,643.60, 137,906,465.40 and 40,765,342.80 is: 61,148,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937,643.60 : 137,906,465.40 = 40,765,342.80 : x
  2. Step 2: Convert to fraction form
    91,937,643.60/137,906,465.40 = 40,765,342.80/x
  3. Step 3: Cross multiply
    91,937,643.60x = 137,906,465.40 × 40,765,342.80
  4. Step 4: Simplify right side
    91,937,643.60x = 5,621,804,336,367,339
  5. Step 5: Solve for x
    x = 5,621,804,336,367,339/91,937,643.60
  6. Step 6: Final answer
    x = 61,148,014.20

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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.