Home / 112,969,222.64-155,888,971.61-63,400,022.91

Finding the Fourth Proportional to 112,969,222.64, 155,888,971.61 and 63,400,022.91

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Solution

The fourth proportional to 112,969,222.64, 155,888,971.61 and 63,400,022.91 is: 87,487,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,222.64 : 155,888,971.61 = 63,400,022.91 : x
  2. Step 2: Convert to fraction form
    112,969,222.64/155,888,971.61 = 63,400,022.91/x
  3. Step 3: Cross multiply
    112,969,222.64x = 155,888,971.61 × 63,400,022.91
  4. Step 4: Simplify right side
    112,969,222.64x = 9,883,364,371,648,840
  5. Step 5: Solve for x
    x = 9,883,364,371,648,840/112,969,222.64
  6. Step 6: Final answer
    x = 87,487,230.07

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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.