Home / 86,223,272.93-129,336,746.11-30,894,721.01

Finding the Fourth Proportional to 86,223,272.93, 129,336,746.11 and 30,894,721.01

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Solution

The fourth proportional to 86,223,272.93, 129,336,746.11 and 30,894,721.01 is: 46,342,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,223,272.93 : 129,336,746.11 = 30,894,721.01 : x
  2. Step 2: Convert to fraction form
    86,223,272.93/129,336,746.11 = 30,894,721.01/x
  3. Step 3: Cross multiply
    86,223,272.93x = 129,336,746.11 × 30,894,721.01
  4. Step 4: Simplify right side
    86,223,272.93x = 3,995,822,687,409,653
  5. Step 5: Solve for x
    x = 3,995,822,687,409,653/86,223,272.93
  6. Step 6: Final answer
    x = 46,342,739.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.