Home / 126,963,047.95-175,031,894.55-85,154,584.48

Finding the Fourth Proportional to 126,963,047.95, 175,031,894.55 and 85,154,584.48

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Solution

The fourth proportional to 126,963,047.95, 175,031,894.55 and 85,154,584.48 is: 117,394,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963,047.95 : 175,031,894.55 = 85,154,584.48 : x
  2. Step 2: Convert to fraction form
    126,963,047.95/175,031,894.55 = 85,154,584.48/x
  3. Step 3: Cross multiply
    126,963,047.95x = 175,031,894.55 × 85,154,584.48
  4. Step 4: Simplify right side
    126,963,047.95x = 14,904,768,251,152,428
  5. Step 5: Solve for x
    x = 14,904,768,251,152,428/126,963,047.95
  6. Step 6: Final answer
    x = 117,394,537.17

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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.