Home / 127,584,017.60-191,376,026.40-109,668,113.60

Finding the Fourth Proportional to 127,584,017.60, 191,376,026.40 and 109,668,113.60

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Solution

The fourth proportional to 127,584,017.60, 191,376,026.40 and 109,668,113.60 is: 164,502,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,017.60 : 191,376,026.40 = 109,668,113.60 : x
  2. Step 2: Convert to fraction form
    127,584,017.60/191,376,026.40 = 109,668,113.60/x
  3. Step 3: Cross multiply
    127,584,017.60x = 191,376,026.40 × 109,668,113.60
  4. Step 4: Simplify right side
    127,584,017.60x = 20,987,847,803,551,800
  5. Step 5: Solve for x
    x = 20,987,847,803,551,800/127,584,017.60
  6. Step 6: Final answer
    x = 164,502,170.40

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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.