Home / 80,881,312.20-121,321,968.30-60,725,920.20

Finding the Fourth Proportional to 80,881,312.20, 121,321,968.30 and 60,725,920.20

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Solution

The fourth proportional to 80,881,312.20, 121,321,968.30 and 60,725,920.20 is: 91,088,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881,312.20 : 121,321,968.30 = 60,725,920.20 : x
  2. Step 2: Convert to fraction form
    80,881,312.20/121,321,968.30 = 60,725,920.20/x
  3. Step 3: Cross multiply
    80,881,312.20x = 121,321,968.30 × 60,725,920.20
  4. Step 4: Simplify right side
    80,881,312.20x = 7,367,388,165,492,730
  5. Step 5: Solve for x
    x = 7,367,388,165,492,730/80,881,312.20
  6. Step 6: Final answer
    x = 91,088,880.30

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1.5x scale

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.