Home / 127,818,007.20-191,506,561.20-59,520,621.60

Finding the Fourth Proportional to 127,818,007.20, 191,506,561.20 and 59,520,621.60

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Solution

The fourth proportional to 127,818,007.20, 191,506,561.20 and 59,520,621.60 is: 89,178,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818,007.20 : 191,506,561.20 = 59,520,621.60 : x
  2. Step 2: Convert to fraction form
    127,818,007.20/191,506,561.20 = 59,520,621.60/x
  3. Step 3: Cross multiply
    127,818,007.20x = 191,506,561.20 × 59,520,621.60
  4. Step 4: Simplify right side
    127,818,007.20x = 11,398,589,563,102,442
  5. Step 5: Solve for x
    x = 11,398,589,563,102,442/127,818,007.20
  6. Step 6: Final answer
    x = 89,178,276.31

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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.