Home / 72,767,905.20-109,151,857.80-59,853,888.90

Finding the Fourth Proportional to 72,767,905.20, 109,151,857.80 and 59,853,888.90

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Solution

The fourth proportional to 72,767,905.20, 109,151,857.80 and 59,853,888.90 is: 89,780,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,767,905.20 : 109,151,857.80 = 59,853,888.90 : x
  2. Step 2: Convert to fraction form
    72,767,905.20/109,151,857.80 = 59,853,888.90/x
  3. Step 3: Cross multiply
    72,767,905.20x = 109,151,857.80 × 59,853,888.90
  4. Step 4: Simplify right side
    72,767,905.20x = 6,533,163,169,989,798
  5. Step 5: Solve for x
    x = 6,533,163,169,989,798/72,767,905.20
  6. Step 6: Final answer
    x = 89,780,833.35

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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.