Home / 92,901,800.48-128,204,982.78-51,088,561.52

Finding the Fourth Proportional to 92,901,800.48, 128,204,982.78 and 51,088,561.52

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Solution

The fourth proportional to 92,901,800.48, 128,204,982.78 and 51,088,561.52 is: 70,502,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,901,800.48 : 128,204,982.78 = 51,088,561.52 : x
  2. Step 2: Convert to fraction form
    92,901,800.48/128,204,982.78 = 51,088,561.52/x
  3. Step 3: Cross multiply
    92,901,800.48x = 128,204,982.78 × 51,088,561.52
  4. Step 4: Simplify right side
    92,901,800.48x = 6,549,808,149,926,571
  5. Step 5: Solve for x
    x = 6,549,808,149,926,571/92,901,800.48
  6. Step 6: Final answer
    x = 70,502,488.82

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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.