Home / 109,360,881.60-163,820,872.80-68,294,270.40

Finding the Fourth Proportional to 109,360,881.60, 163,820,872.80 and 68,294,270.40

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Solution

The fourth proportional to 109,360,881.60, 163,820,872.80 and 68,294,270.40 is: 102,303,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360,881.60 : 163,820,872.80 = 68,294,270.40 : x
  2. Step 2: Convert to fraction form
    109,360,881.60/163,820,872.80 = 68,294,270.40/x
  3. Step 3: Cross multiply
    109,360,881.60x = 163,820,872.80 × 68,294,270.40
  4. Step 4: Simplify right side
    109,360,881.60x = 11,188,026,984,167,206
  5. Step 5: Solve for x
    x = 11,188,026,984,167,206/109,360,881.60
  6. Step 6: Final answer
    x = 102,303,738.05

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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.