Home / 59,779,939.20-89,669,908.80-49,151,119.20

Finding the Fourth Proportional to 59,779,939.20, 89,669,908.80 and 49,151,119.20

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Solution

The fourth proportional to 59,779,939.20, 89,669,908.80 and 49,151,119.20 is: 73,726,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,779,939.20 : 89,669,908.80 = 49,151,119.20 : x
  2. Step 2: Convert to fraction form
    59,779,939.20/89,669,908.80 = 49,151,119.20/x
  3. Step 3: Cross multiply
    59,779,939.20x = 89,669,908.80 × 49,151,119.20
  4. Step 4: Simplify right side
    59,779,939.20x = 4,407,376,376,081,929
  5. Step 5: Solve for x
    x = 4,407,376,376,081,929/59,779,939.20
  6. Step 6: Final answer
    x = 73,726,678.80

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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.