Home / 115,920,007.20-173,880,010.80-104,374,202.40

Finding the Fourth Proportional to 115,920,007.20, 173,880,010.80 and 104,374,202.40

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Solution

The fourth proportional to 115,920,007.20, 173,880,010.80 and 104,374,202.40 is: 156,561,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920,007.20 : 173,880,010.80 = 104,374,202.40 : x
  2. Step 2: Convert to fraction form
    115,920,007.20/173,880,010.80 = 104,374,202.40/x
  3. Step 3: Cross multiply
    115,920,007.20x = 173,880,010.80 × 104,374,202.40
  4. Step 4: Simplify right side
    115,920,007.20x = 18,148,587,440,553,388
  5. Step 5: Solve for x
    x = 18,148,587,440,553,388/115,920,007.20
  6. Step 6: Final answer
    x = 156,561,303.60

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1.5x scale

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.