Home / 71,043,031.68-98,039,344.32-40,103,468.16

Finding the Fourth Proportional to 71,043,031.68, 98,039,344.32 and 40,103,468.16

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Solution

The fourth proportional to 71,043,031.68, 98,039,344.32 and 40,103,468.16 is: 55,342,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043,031.68 : 98,039,344.32 = 40,103,468.16 : x
  2. Step 2: Convert to fraction form
    71,043,031.68/98,039,344.32 = 40,103,468.16/x
  3. Step 3: Cross multiply
    71,043,031.68x = 98,039,344.32 × 40,103,468.16
  4. Step 4: Simplify right side
    71,043,031.68x = 3,931,717,723,364,396
  5. Step 5: Solve for x
    x = 3,931,717,723,364,396/71,043,031.68
  6. Step 6: Final answer
    x = 55,342,763.82

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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.