Home / 130,408,848.40-195,613,272.60-69,942,672.40

Finding the Fourth Proportional to 130,408,848.40, 195,613,272.60 and 69,942,672.40

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Solution

The fourth proportional to 130,408,848.40, 195,613,272.60 and 69,942,672.40 is: 104,914,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,848.40 : 195,613,272.60 = 69,942,672.40 : x
  2. Step 2: Convert to fraction form
    130,408,848.40/195,613,272.60 = 69,942,672.40/x
  3. Step 3: Cross multiply
    130,408,848.40x = 195,613,272.60 × 69,942,672.40
  4. Step 4: Simplify right side
    130,408,848.40x = 13,681,715,042,553,696
  5. Step 5: Solve for x
    x = 13,681,715,042,553,696/130,408,848.40
  6. Step 6: Final answer
    x = 104,914,008.60

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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.