Home / 124,420,705.60-186,631,058.40-118,752,001.60

Finding the Fourth Proportional to 124,420,705.60, 186,631,058.40 and 118,752,001.60

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Solution

The fourth proportional to 124,420,705.60, 186,631,058.40 and 118,752,001.60 is: 178,128,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420,705.60 : 186,631,058.40 = 118,752,001.60 : x
  2. Step 2: Convert to fraction form
    124,420,705.60/186,631,058.40 = 118,752,001.60/x
  3. Step 3: Cross multiply
    124,420,705.60x = 186,631,058.40 × 118,752,001.60
  4. Step 4: Simplify right side
    124,420,705.60x = 22,162,811,745,726,492
  5. Step 5: Solve for x
    x = 22,162,811,745,726,492/124,420,705.60
  6. Step 6: Final answer
    x = 178,128,002.40

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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.