Home / 118,253,394.51-176,287,007.20-116,389,807.95

Finding the Fourth Proportional to 118,253,394.51, 176,287,007.20 and 116,389,807.95

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Solution

The fourth proportional to 118,253,394.51, 176,287,007.20 and 116,389,807.95 is: 173,508,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253,394.51 : 176,287,007.20 = 116,389,807.95 : x
  2. Step 2: Convert to fraction form
    118,253,394.51/176,287,007.20 = 116,389,807.95/x
  3. Step 3: Cross multiply
    118,253,394.51x = 176,287,007.20 × 116,389,807.95
  4. Step 4: Simplify right side
    118,253,394.51x = 20,518,010,911,797,292
  5. Step 5: Solve for x
    x = 20,518,010,911,797,292/118,253,394.51
  6. Step 6: Final answer
    x = 173,508,853.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.