Home / 130,408,801.20-195,445,240.20-99,965,761.20

Finding the Fourth Proportional to 130,408,801.20, 195,445,240.20 and 99,965,761.20

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Solution

The fourth proportional to 130,408,801.20, 195,445,240.20 and 99,965,761.20 is: 149,819,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,801.20 : 195,445,240.20 = 99,965,761.20 : x
  2. Step 2: Convert to fraction form
    130,408,801.20/195,445,240.20 = 99,965,761.20/x
  3. Step 3: Cross multiply
    130,408,801.20x = 195,445,240.20 × 99,965,761.20
  4. Step 4: Simplify right side
    130,408,801.20x = 19,537,832,209,509,840
  5. Step 5: Solve for x
    x = 19,537,832,209,509,840/130,408,801.20
  6. Step 6: Final answer
    x = 149,819,889.68

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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.