Home / 124,128,612.90-171,295,393.03-68,379,248.23

Finding the Fourth Proportional to 124,128,612.90, 171,295,393.03 and 68,379,248.23

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Solution

The fourth proportional to 124,128,612.90, 171,295,393.03 and 68,379,248.23 is: 94,362,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,128,612.90 : 171,295,393.03 = 68,379,248.23 : x
  2. Step 2: Convert to fraction form
    124,128,612.90/171,295,393.03 = 68,379,248.23/x
  3. Step 3: Cross multiply
    124,128,612.90x = 171,295,393.03 × 68,379,248.23
  4. Step 4: Simplify right side
    124,128,612.90x = 11,713,050,200,054,596
  5. Step 5: Solve for x
    x = 11,713,050,200,054,596/124,128,612.90
  6. Step 6: Final answer
    x = 94,362,209.70

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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.