Home / 178,169,907.10-267,254,860.65-156,628,831.90

Finding the Fourth Proportional to 178,169,907.10, 267,254,860.65 and 156,628,831.90

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Solution

The fourth proportional to 178,169,907.10, 267,254,860.65 and 156,628,831.90 is: 234,943,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,169,907.10 : 267,254,860.65 = 156,628,831.90 : x
  2. Step 2: Convert to fraction form
    178,169,907.10/267,254,860.65 = 156,628,831.90/x
  3. Step 3: Cross multiply
    178,169,907.10x = 267,254,860.65 × 156,628,831.90
  4. Step 4: Simplify right side
    178,169,907.10x = 41,859,816,643,206,776
  5. Step 5: Solve for x
    x = 41,859,816,643,206,776/178,169,907.10
  6. Step 6: Final answer
    x = 234,943,247.85

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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.