Home / 99,178,749-148,769,367.66-26,395,080.39

Finding the Fourth Proportional to 99,178,749, 148,769,367.66 and 26,395,080.39

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Solution

The fourth proportional to 99,178,749, 148,769,367.66 and 26,395,080.39 is: 39,592,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,178,749 : 148,769,367.66 = 26,395,080.39 : x
  2. Step 2: Convert to fraction form
    99,178,749/148,769,367.66 = 26,395,080.39/x
  3. Step 3: Cross multiply
    99,178,749x = 148,769,367.66 × 26,395,080.39
  4. Step 4: Simplify right side
    99,178,749x = 3,926,779,418,955,166
  5. Step 5: Solve for x
    x = 3,926,779,418,955,166/99,178,749
  6. Step 6: Final answer
    x = 39,592,951.70

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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.