Home / 288,084,922.61-397,557,162.38-155,925,897.71

Finding the Fourth Proportional to 288,084,922.61, 397,557,162.38 and 155,925,897.71

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Solution

The fourth proportional to 288,084,922.61, 397,557,162.38 and 155,925,897.71 is: 215,177,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,084,922.61 : 397,557,162.38 = 155,925,897.71 : x
  2. Step 2: Convert to fraction form
    288,084,922.61/397,557,162.38 = 155,925,897.71/x
  3. Step 3: Cross multiply
    288,084,922.61x = 397,557,162.38 × 155,925,897.71
  4. Step 4: Simplify right side
    288,084,922.61x = 61,989,457,433,543,776
  5. Step 5: Solve for x
    x = 61,989,457,433,543,776/288,084,922.61
  6. Step 6: Final answer
    x = 215,177,722.16

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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.