Home / 98,929,438.98-148,395,421.39-26,145,590.88

Finding the Fourth Proportional to 98,929,438.98, 148,395,421.39 and 26,145,590.88

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Solution

The fourth proportional to 98,929,438.98, 148,395,421.39 and 26,145,590.88 is: 39,218,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,929,438.98 : 148,395,421.39 = 26,145,590.88 : x
  2. Step 2: Convert to fraction form
    98,929,438.98/148,395,421.39 = 26,145,590.88/x
  3. Step 3: Cross multiply
    98,929,438.98x = 148,395,421.39 × 26,145,590.88
  4. Step 4: Simplify right side
    98,929,438.98x = 3,879,885,976,128,140.50
  5. Step 5: Solve for x
    x = 3,879,885,976,128,140.50/98,929,438.98
  6. Step 6: Final answer
    x = 39,218,720.09

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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.