Home / 155,407,642.60-233,176,782.30-83,520,077.80

Finding the Fourth Proportional to 155,407,642.60, 233,176,782.30 and 83,520,077.80

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Solution

The fourth proportional to 155,407,642.60, 233,176,782.30 and 83,520,077.80 is: 125,315,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,407,642.60 : 233,176,782.30 = 83,520,077.80 : x
  2. Step 2: Convert to fraction form
    155,407,642.60/233,176,782.30 = 83,520,077.80/x
  3. Step 3: Cross multiply
    155,407,642.60x = 233,176,782.30 × 83,520,077.80
  4. Step 4: Simplify right side
    155,407,642.60x = 19,474,942,998,849,664
  5. Step 5: Solve for x
    x = 19,474,942,998,849,664/155,407,642.60
  6. Step 6: Final answer
    x = 125,315,220.49

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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.