Home / 290,765,031.86-401,258,304.79-158,606,616.13

Finding the Fourth Proportional to 290,765,031.86, 401,258,304.79 and 158,606,616.13

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Solution

The fourth proportional to 290,765,031.86, 401,258,304.79 and 158,606,616.13 is: 218,878,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,765,031.86 : 401,258,304.79 = 158,606,616.13 : x
  2. Step 2: Convert to fraction form
    290,765,031.86/401,258,304.79 = 158,606,616.13/x
  3. Step 3: Cross multiply
    290,765,031.86x = 401,258,304.79 × 158,606,616.13
  4. Step 4: Simplify right side
    290,765,031.86x = 63,642,221,915,402,408
  5. Step 5: Solve for x
    x = 63,642,221,915,402,408/290,765,031.86
  6. Step 6: Final answer
    x = 218,878,527.14

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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.