Home / 96,916,809.60-145,375,214.40-79,698,121.20

Finding the Fourth Proportional to 96,916,809.60, 145,375,214.40 and 79,698,121.20

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Solution

The fourth proportional to 96,916,809.60, 145,375,214.40 and 79,698,121.20 is: 119,547,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,916,809.60 : 145,375,214.40 = 79,698,121.20 : x
  2. Step 2: Convert to fraction form
    96,916,809.60/145,375,214.40 = 79,698,121.20/x
  3. Step 3: Cross multiply
    96,916,809.60x = 145,375,214.40 × 79,698,121.20
  4. Step 4: Simplify right side
    96,916,809.60x = 11,586,131,456,727,186
  5. Step 5: Solve for x
    x = 11,586,131,456,727,186/96,916,809.60
  6. Step 6: Final answer
    x = 119,547,181.80

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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.