Home / 188,443,220.48-260,044,065.60-105,935,246.72

Finding the Fourth Proportional to 188,443,220.48, 260,044,065.60 and 105,935,246.72

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Solution

The fourth proportional to 188,443,220.48, 260,044,065.60 and 105,935,246.72 is: 146,186,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,443,220.48 : 260,044,065.60 = 105,935,246.72 : x
  2. Step 2: Convert to fraction form
    188,443,220.48/260,044,065.60 = 105,935,246.72/x
  3. Step 3: Cross multiply
    188,443,220.48x = 260,044,065.60 × 105,935,246.72
  4. Step 4: Simplify right side
    188,443,220.48x = 27,547,832,247,407,864
  5. Step 5: Solve for x
    x = 27,547,832,247,407,864/188,443,220.48
  6. Step 6: Final answer
    x = 146,186,380.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.