Home / 154,284,917.92-212,852,575.20-88,169,946.40

Finding the Fourth Proportional to 154,284,917.92, 212,852,575.20 and 88,169,946.40

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Solution

The fourth proportional to 154,284,917.92, 212,852,575.20 and 88,169,946.40 is: 121,639,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,284,917.92 : 212,852,575.20 = 88,169,946.40 : x
  2. Step 2: Convert to fraction form
    154,284,917.92/212,852,575.20 = 88,169,946.40/x
  3. Step 3: Cross multiply
    154,284,917.92x = 212,852,575.20 × 88,169,946.40
  4. Step 4: Simplify right side
    154,284,917.92x = 18,767,200,146,485,968
  5. Step 5: Solve for x
    x = 18,767,200,146,485,968/154,284,917.92
  6. Step 6: Final answer
    x = 121,639,888.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.