Home / 145,025,987.86-217,393,527.31-67,357,436.59

Finding the Fourth Proportional to 145,025,987.86, 217,393,527.31 and 67,357,436.59

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Solution

The fourth proportional to 145,025,987.86, 217,393,527.31 and 67,357,436.59 is: 100,968,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,025,987.86 : 217,393,527.31 = 67,357,436.59 : x
  2. Step 2: Convert to fraction form
    145,025,987.86/217,393,527.31 = 67,357,436.59/x
  3. Step 3: Cross multiply
    145,025,987.86x = 217,393,527.31 × 67,357,436.59
  4. Step 4: Simplify right side
    145,025,987.86x = 14,643,070,730,859,760
  5. Step 5: Solve for x
    x = 14,643,070,730,859,760/145,025,987.86
  6. Step 6: Final answer
    x = 100,968,598.43

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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.