Home / 89,119,806.59-122,983,500.42-49,420,931.02

Finding the Fourth Proportional to 89,119,806.59, 122,983,500.42 and 49,420,931.02

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Solution

The fourth proportional to 89,119,806.59, 122,983,500.42 and 49,420,931.02 is: 68,199,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,119,806.59 : 122,983,500.42 = 49,420,931.02 : x
  2. Step 2: Convert to fraction form
    89,119,806.59/122,983,500.42 = 49,420,931.02/x
  3. Step 3: Cross multiply
    89,119,806.59x = 122,983,500.42 × 49,420,931.02
  4. Step 4: Simplify right side
    89,119,806.59x = 6,077,959,090,547,502
  5. Step 5: Solve for x
    x = 6,077,959,090,547,502/89,119,806.59
  6. Step 6: Final answer
    x = 68,199,868.50

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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.