Home / 91,584,030.40-137,334,055.20-40,439,723.20

Finding the Fourth Proportional to 91,584,030.40, 137,334,055.20 and 40,439,723.20

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Solution

The fourth proportional to 91,584,030.40, 137,334,055.20 and 40,439,723.20 is: 60,641,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584,030.40 : 137,334,055.20 = 40,439,723.20 : x
  2. Step 2: Convert to fraction form
    91,584,030.40/137,334,055.20 = 40,439,723.20/x
  3. Step 3: Cross multiply
    91,584,030.40x = 137,334,055.20 × 40,439,723.20
  4. Step 4: Simplify right side
    91,584,030.40x = 5,553,751,178,221,521
  5. Step 5: Solve for x
    x = 5,553,751,178,221,521/91,584,030.40
  6. Step 6: Final answer
    x = 60,641,043.57

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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.