Home / 115,911,132.30-173,866,698.45-108,736,678.80

Finding the Fourth Proportional to 115,911,132.30, 173,866,698.45 and 108,736,678.80

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Solution

The fourth proportional to 115,911,132.30, 173,866,698.45 and 108,736,678.80 is: 163,105,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,132.30 : 173,866,698.45 = 108,736,678.80 : x
  2. Step 2: Convert to fraction form
    115,911,132.30/173,866,698.45 = 108,736,678.80/x
  3. Step 3: Cross multiply
    115,911,132.30x = 173,866,698.45 × 108,736,678.80
  4. Step 4: Simplify right side
    115,911,132.30x = 18,905,687,343,374,108
  5. Step 5: Solve for x
    x = 18,905,687,343,374,108/115,911,132.30
  6. Step 6: Final answer
    x = 163,105,018.20

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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.