Home / 82,817,901.40-124,226,852.10-52,206,899.80

Finding the Fourth Proportional to 82,817,901.40, 124,226,852.10 and 52,206,899.80

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Solution

The fourth proportional to 82,817,901.40, 124,226,852.10 and 52,206,899.80 is: 78,310,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817,901.40 : 124,226,852.10 = 52,206,899.80 : x
  2. Step 2: Convert to fraction form
    82,817,901.40/124,226,852.10 = 52,206,899.80/x
  3. Step 3: Cross multiply
    82,817,901.40x = 124,226,852.10 × 52,206,899.80
  4. Step 4: Simplify right side
    82,817,901.40x = 6,485,498,820,054,119
  5. Step 5: Solve for x
    x = 6,485,498,820,054,119/82,817,901.40
  6. Step 6: Final answer
    x = 78,310,349.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.