Home / 191,846,113.20-287,706,184.20-70,661,818.80

Finding the Fourth Proportional to 191,846,113.20, 287,706,184.20 and 70,661,818.80

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Solution

The fourth proportional to 191,846,113.20, 287,706,184.20 and 70,661,818.80 is: 105,969,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,846,113.20 : 287,706,184.20 = 70,661,818.80 : x
  2. Step 2: Convert to fraction form
    191,846,113.20/287,706,184.20 = 70,661,818.80/x
  3. Step 3: Cross multiply
    191,846,113.20x = 287,706,184.20 × 70,661,818.80
  4. Step 4: Simplify right side
    191,846,113.20x = 20,329,842,255,579,820
  5. Step 5: Solve for x
    x = 20,329,842,255,579,820/191,846,113.20
  6. Step 6: Final answer
    x = 105,969,529.00

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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.