Home / 65,869,461.68-90,900,390.83-36,501,284.79

Finding the Fourth Proportional to 65,869,461.68, 90,900,390.83 and 36,501,284.79

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Solution

The fourth proportional to 65,869,461.68, 90,900,390.83 and 36,501,284.79 is: 50,372,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,461.68 : 90,900,390.83 = 36,501,284.79 : x
  2. Step 2: Convert to fraction form
    65,869,461.68/90,900,390.83 = 36,501,284.79/x
  3. Step 3: Cross multiply
    65,869,461.68x = 90,900,390.83 × 36,501,284.79
  4. Step 4: Simplify right side
    65,869,461.68x = 3,317,981,053,025,628
  5. Step 5: Solve for x
    x = 3,317,981,053,025,628/65,869,461.68
  6. Step 6: Final answer
    x = 50,372,068.77

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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.