Home / 153,304,778.59-211,561,453.70-87,225,275.45

Finding the Fourth Proportional to 153,304,778.59, 211,561,453.70 and 87,225,275.45

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Solution

The fourth proportional to 153,304,778.59, 211,561,453.70 and 87,225,275.45 is: 120,371,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,304,778.59 : 211,561,453.70 = 87,225,275.45 : x
  2. Step 2: Convert to fraction form
    153,304,778.59/211,561,453.70 = 87,225,275.45/x
  3. Step 3: Cross multiply
    153,304,778.59x = 211,561,453.70 × 87,225,275.45
  4. Step 4: Simplify right side
    153,304,778.59x = 18,453,506,074,003,924
  5. Step 5: Solve for x
    x = 18,453,506,074,003,924/153,304,778.59
  6. Step 6: Final answer
    x = 120,371,369.01

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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.