Home / 108,880,143.60-163,320,215.40-97,920,649.20

Finding the Fourth Proportional to 108,880,143.60, 163,320,215.40 and 97,920,649.20

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Solution

The fourth proportional to 108,880,143.60, 163,320,215.40 and 97,920,649.20 is: 146,880,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,880,143.60 : 163,320,215.40 = 97,920,649.20 : x
  2. Step 2: Convert to fraction form
    108,880,143.60/163,320,215.40 = 97,920,649.20/x
  3. Step 3: Cross multiply
    108,880,143.60x = 163,320,215.40 × 97,920,649.20
  4. Step 4: Simplify right side
    108,880,143.60x = 15,992,421,519,451,838
  5. Step 5: Solve for x
    x = 15,992,421,519,451,838/108,880,143.60
  6. Step 6: Final answer
    x = 146,880,973.80

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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.