Home / 102,136,240.40-153,346,078.20-63,872,488.40

Finding the Fourth Proportional to 102,136,240.40, 153,346,078.20 and 63,872,488.40

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Solution

The fourth proportional to 102,136,240.40, 153,346,078.20 and 63,872,488.40 is: 95,897,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,136,240.40 : 153,346,078.20 = 63,872,488.40 : x
  2. Step 2: Convert to fraction form
    102,136,240.40/153,346,078.20 = 63,872,488.40/x
  3. Step 3: Cross multiply
    102,136,240.40x = 153,346,078.20 × 63,872,488.40
  4. Step 4: Simplify right side
    102,136,240.40x = 9,794,595,601,014,992
  5. Step 5: Solve for x
    x = 9,794,595,601,014,992/102,136,240.40
  6. Step 6: Final answer
    x = 95,897,357.91

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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.