Home / 80,071,386,830.92-110,491,210,257.18-47,512,989,364.24

Finding the Fourth Proportional to 80,071,386,830.92, 110,491,210,257.18 and 47,512,989,364.24

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Solution

The fourth proportional to 80,071,386,830.92, 110,491,210,257.18 and 47,512,989,364.24 is: 65,563,591,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,071,386,830.92 : 110,491,210,257.18 = 47,512,989,364.24 : x
  2. Step 2: Convert to fraction form
    80,071,386,830.92/110,491,210,257.18 = 47,512,989,364.24/x
  3. Step 3: Cross multiply
    80,071,386,830.92x = 110,491,210,257.18 × 47,512,989,364.24
  4. Step 4: Simplify right side
    80,071,386,830.92x = 5,249,767,697,791,398,707,200
  5. Step 5: Solve for x
    x = 5,249,767,697,791,398,707,200/80,071,386,830.92
  6. Step 6: Final answer
    x = 65,563,591,509.62

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1.5x scale

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.