Home / 268,656,554.30-402,984,831.46-98,433,347.90

Finding the Fourth Proportional to 268,656,554.30, 402,984,831.46 and 98,433,347.90

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Solution

The fourth proportional to 268,656,554.30, 402,984,831.46 and 98,433,347.90 is: 147,650,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,656,554.30 : 402,984,831.46 = 98,433,347.90 : x
  2. Step 2: Convert to fraction form
    268,656,554.30/402,984,831.46 = 98,433,347.90/x
  3. Step 3: Cross multiply
    268,656,554.30x = 402,984,831.46 × 98,433,347.90
  4. Step 4: Simplify right side
    268,656,554.30x = 39,667,146,113,525,048
  5. Step 5: Solve for x
    x = 39,667,146,113,525,048/268,656,554.30
  6. Step 6: Final answer
    x = 147,650,021.85

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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.