Home / 80,106,547.80-120,159,821.70-49,873,459.80

Finding the Fourth Proportional to 80,106,547.80, 120,159,821.70 and 49,873,459.80

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Solution

The fourth proportional to 80,106,547.80, 120,159,821.70 and 49,873,459.80 is: 74,810,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,106,547.80 : 120,159,821.70 = 49,873,459.80 : x
  2. Step 2: Convert to fraction form
    80,106,547.80/120,159,821.70 = 49,873,459.80/x
  3. Step 3: Cross multiply
    80,106,547.80x = 120,159,821.70 × 49,873,459.80
  4. Step 4: Simplify right side
    80,106,547.80x = 5,992,786,037,130,117
  5. Step 5: Solve for x
    x = 5,992,786,037,130,117/80,106,547.80
  6. Step 6: Final answer
    x = 74,810,189.70

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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.