Home / 80,827,065.79-121,317,248.70-50,028,482.16

Finding the Fourth Proportional to 80,827,065.79, 121,317,248.70 and 50,028,482.16

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Solution

The fourth proportional to 80,827,065.79, 121,317,248.70 and 50,028,482.16 is: 75,090,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827,065.79 : 121,317,248.70 = 50,028,482.16 : x
  2. Step 2: Convert to fraction form
    80,827,065.79/121,317,248.70 = 50,028,482.16/x
  3. Step 3: Cross multiply
    80,827,065.79x = 121,317,248.70 × 50,028,482.16
  4. Step 4: Simplify right side
    80,827,065.79x = 6,069,317,812,288,233
  5. Step 5: Solve for x
    x = 6,069,317,812,288,233/80,827,065.79
  6. Step 6: Final answer
    x = 75,090,166.31

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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.