Home / 82,574,705.79-113,956,377.36-45,408,033.18

Finding the Fourth Proportional to 82,574,705.79, 113,956,377.36 and 45,408,033.18

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Solution

The fourth proportional to 82,574,705.79, 113,956,377.36 and 45,408,033.18 is: 62,664,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,574,705.79 : 113,956,377.36 = 45,408,033.18 : x
  2. Step 2: Convert to fraction form
    82,574,705.79/113,956,377.36 = 45,408,033.18/x
  3. Step 3: Cross multiply
    82,574,705.79x = 113,956,377.36 × 45,408,033.18
  4. Step 4: Simplify right side
    82,574,705.79x = 5,174,534,964,235,481
  5. Step 5: Solve for x
    x = 5,174,534,964,235,481/82,574,705.79
  6. Step 6: Final answer
    x = 62,664,891.32

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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.