Home / 153,382,837.28-211,673,538.23-90,712,657.35

Finding the Fourth Proportional to 153,382,837.28, 211,673,538.23 and 90,712,657.35

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Solution

The fourth proportional to 153,382,837.28, 211,673,538.23 and 90,712,657.35 is: 125,186,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,837.28 : 211,673,538.23 = 90,712,657.35 : x
  2. Step 2: Convert to fraction form
    153,382,837.28/211,673,538.23 = 90,712,657.35/x
  3. Step 3: Cross multiply
    153,382,837.28x = 211,673,538.23 × 90,712,657.35
  4. Step 4: Simplify right side
    153,382,837.28x = 19,201,469,143,066,552
  5. Step 5: Solve for x
    x = 19,201,469,143,066,552/153,382,837.28
  6. Step 6: Final answer
    x = 125,186,555.97

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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.