Home / 73,827,974.40-101,879,521.20-42,463,638.72

Finding the Fourth Proportional to 73,827,974.40, 101,879,521.20 and 42,463,638.72

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Solution

The fourth proportional to 73,827,974.40, 101,879,521.20 and 42,463,638.72 is: 58,598,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,827,974.40 : 101,879,521.20 = 42,463,638.72 : x
  2. Step 2: Convert to fraction form
    73,827,974.40/101,879,521.20 = 42,463,638.72/x
  3. Step 3: Cross multiply
    73,827,974.40x = 101,879,521.20 × 42,463,638.72
  4. Step 4: Simplify right side
    73,827,974.40x = 4,326,175,181,203,381
  5. Step 5: Solve for x
    x = 4,326,175,181,203,381/73,827,974.40
  6. Step 6: Final answer
    x = 58,598,047.91

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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.