Home / 209,587,275.95-289,222,020.04-114,215,759.48

Finding the Fourth Proportional to 209,587,275.95, 289,222,020.04 and 114,215,759.48

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Solution

The fourth proportional to 209,587,275.95, 289,222,020.04 and 114,215,759.48 is: 157,613,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,587,275.95 : 289,222,020.04 = 114,215,759.48 : x
  2. Step 2: Convert to fraction form
    209,587,275.95/289,222,020.04 = 114,215,759.48/x
  3. Step 3: Cross multiply
    209,587,275.95x = 289,222,020.04 × 114,215,759.48
  4. Step 4: Simplify right side
    209,587,275.95x = 33,033,712,675,476,732
  5. Step 5: Solve for x
    x = 33,033,712,675,476,732/209,587,275.95
  6. Step 6: Final answer
    x = 157,613,159.13

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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.