Home / 99,312,005.20-148,968,007.80-27,508,421.20

Finding the Fourth Proportional to 99,312,005.20, 148,968,007.80 and 27,508,421.20

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Solution

The fourth proportional to 99,312,005.20, 148,968,007.80 and 27,508,421.20 is: 41,262,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312,005.20 : 148,968,007.80 = 27,508,421.20 : x
  2. Step 2: Convert to fraction form
    99,312,005.20/148,968,007.80 = 27,508,421.20/x
  3. Step 3: Cross multiply
    99,312,005.20x = 148,968,007.80 × 27,508,421.20
  4. Step 4: Simplify right side
    99,312,005.20x = 4,097,874,703,887,285.50
  5. Step 5: Solve for x
    x = 4,097,874,703,887,285.50/99,312,005.20
  6. Step 6: Final answer
    x = 41,262,631.80

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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.