Home / 100,019,224.40-149,916,862.20-56,909,080.40

Finding the Fourth Proportional to 100,019,224.40, 149,916,862.20 and 56,909,080.40

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Solution

The fourth proportional to 100,019,224.40, 149,916,862.20 and 56,909,080.40 is: 85,299,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,019,224.40 : 149,916,862.20 = 56,909,080.40 : x
  2. Step 2: Convert to fraction form
    100,019,224.40/149,916,862.20 = 56,909,080.40/x
  3. Step 3: Cross multiply
    100,019,224.40x = 149,916,862.20 × 56,909,080.40
  4. Step 4: Simplify right side
    100,019,224.40x = 8,531,630,764,255,520
  5. Step 5: Solve for x
    x = 8,531,630,764,255,520/100,019,224.40
  6. Step 6: Final answer
    x = 85,299,909.25

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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.