Home / 90,180,006-124,448,719.32-48,927,081.84

Finding the Fourth Proportional to 90,180,006, 124,448,719.32 and 48,927,081.84

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Solution

The fourth proportional to 90,180,006, 124,448,719.32 and 48,927,081.84 is: 67,519,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,180,006 : 124,448,719.32 = 48,927,081.84 : x
  2. Step 2: Convert to fraction form
    90,180,006/124,448,719.32 = 48,927,081.84/x
  3. Step 3: Cross multiply
    90,180,006x = 124,448,719.32 × 48,927,081.84
  4. Step 4: Simplify right side
    90,180,006x = 6,088,912,675,052,829
  5. Step 5: Solve for x
    x = 6,088,912,675,052,829/90,180,006
  6. Step 6: Final answer
    x = 67,519,541.69

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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.