Home / 90,570,760.40-124,955,766.60-59,227,157.84

Finding the Fourth Proportional to 90,570,760.40, 124,955,766.60 and 59,227,157.84

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Solution

The fourth proportional to 90,570,760.40, 124,955,766.60 and 59,227,157.84 is: 81,712,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,570,760.40 : 124,955,766.60 = 59,227,157.84 : x
  2. Step 2: Convert to fraction form
    90,570,760.40/124,955,766.60 = 59,227,157.84/x
  3. Step 3: Cross multiply
    90,570,760.40x = 124,955,766.60 × 59,227,157.84
  4. Step 4: Simplify right side
    90,570,760.40x = 7,400,774,911,436,400
  5. Step 5: Solve for x
    x = 7,400,774,911,436,400/90,570,760.40
  6. Step 6: Final answer
    x = 81,712,628.65

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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.