Home / 126,830,932-175,020,828.88-71,827,182.24

Finding the Fourth Proportional to 126,830,932, 175,020,828.88 and 71,827,182.24

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Solution

The fourth proportional to 126,830,932, 175,020,828.88 and 71,827,182.24 is: 99,118,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830,932 : 175,020,828.88 = 71,827,182.24 : x
  2. Step 2: Convert to fraction form
    126,830,932/175,020,828.88 = 71,827,182.24/x
  3. Step 3: Cross multiply
    126,830,932x = 175,020,828.88 × 71,827,182.24
  4. Step 4: Simplify right side
    126,830,932x = 12,571,252,971,759,614
  5. Step 5: Solve for x
    x = 12,571,252,971,759,614/126,830,932
  6. Step 6: Final answer
    x = 99,118,194.38

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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.