Home / 145,025,986.86-217,393,525.82-67,357,435.59

Finding the Fourth Proportional to 145,025,986.86, 217,393,525.82 and 67,357,435.59

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Solution

The fourth proportional to 145,025,986.86, 217,393,525.82 and 67,357,435.59 is: 100,968,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,025,986.86 : 217,393,525.82 = 67,357,435.59 : x
  2. Step 2: Convert to fraction form
    145,025,986.86/217,393,525.82 = 67,357,435.59/x
  3. Step 3: Cross multiply
    145,025,986.86x = 217,393,525.82 × 67,357,435.59
  4. Step 4: Simplify right side
    145,025,986.86x = 14,643,070,411,679,896
  5. Step 5: Solve for x
    x = 14,643,070,411,679,896/145,025,986.86
  6. Step 6: Final answer
    x = 100,968,596.93

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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.