Home / 153,205,597.13-211,176,743.29-103,627,890.68

Finding the Fourth Proportional to 153,205,597.13, 211,176,743.29 and 103,627,890.68

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Solution

The fourth proportional to 153,205,597.13, 211,176,743.29 and 103,627,890.68 is: 142,839,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205,597.13 : 211,176,743.29 = 103,627,890.68 : x
  2. Step 2: Convert to fraction form
    153,205,597.13/211,176,743.29 = 103,627,890.68/x
  3. Step 3: Cross multiply
    153,205,597.13x = 211,176,743.29 × 103,627,890.68
  4. Step 4: Simplify right side
    153,205,597.13x = 21,883,800,466,499,588
  5. Step 5: Solve for x
    x = 21,883,800,466,499,588/153,205,597.13
  6. Step 6: Final answer
    x = 142,839,431.96

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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.