Home / 191,808,000.30-287,712,000.45-109,926,720.30

Finding the Fourth Proportional to 191,808,000.30, 287,712,000.45 and 109,926,720.30

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Solution

The fourth proportional to 191,808,000.30, 287,712,000.45 and 109,926,720.30 is: 164,890,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,000.30 : 287,712,000.45 = 109,926,720.30 : x
  2. Step 2: Convert to fraction form
    191,808,000.30/287,712,000.45 = 109,926,720.30/x
  3. Step 3: Cross multiply
    191,808,000.30x = 287,712,000.45 × 109,926,720.30
  4. Step 4: Simplify right side
    191,808,000.30x = 31,627,236,600,420,620
  5. Step 5: Solve for x
    x = 31,627,236,600,420,620/191,808,000.30
  6. Step 6: Final answer
    x = 164,890,080.45

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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.