Home / 88,178,213.45-121,506,631.10-68,210,724.77

Finding the Fourth Proportional to 88,178,213.45, 121,506,631.10 and 68,210,724.77

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Solution

The fourth proportional to 88,178,213.45, 121,506,631.10 and 68,210,724.77 is: 93,992,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,178,213.45 : 121,506,631.10 = 68,210,724.77 : x
  2. Step 2: Convert to fraction form
    88,178,213.45/121,506,631.10 = 68,210,724.77/x
  3. Step 3: Cross multiply
    88,178,213.45x = 121,506,631.10 × 68,210,724.77
  4. Step 4: Simplify right side
    88,178,213.45x = 8,288,055,371,217,728
  5. Step 5: Solve for x
    x = 8,288,055,371,217,728/88,178,213.45
  6. Step 6: Final answer
    x = 93,992,099.03

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Why These Related Problems?

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