Home / 178,919,711.60-268,349,671.10-49,540,400.15

Finding the Fourth Proportional to 178,919,711.60, 268,349,671.10 and 49,540,400.15

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Solution

The fourth proportional to 178,919,711.60, 268,349,671.10 and 49,540,400.15 is: 74,302,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,919,711.60 : 268,349,671.10 = 49,540,400.15 : x
  2. Step 2: Convert to fraction form
    178,919,711.60/268,349,671.10 = 49,540,400.15/x
  3. Step 3: Cross multiply
    178,919,711.60x = 268,349,671.10 × 49,540,400.15
  4. Step 4: Simplify right side
    178,919,711.60x = 13,294,150,085,196,994
  5. Step 5: Solve for x
    x = 13,294,150,085,196,994/178,919,711.60
  6. Step 6: Final answer
    x = 74,302,322.35

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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.