Home / 258,252,848.34-387,454,744.06-83,371,779

Finding the Fourth Proportional to 258,252,848.34, 387,454,744.06 and 83,371,779

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Solution

The fourth proportional to 258,252,848.34, 387,454,744.06 and 83,371,779 is: 125,082,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,252,848.34 : 387,454,744.06 = 83,371,779 : x
  2. Step 2: Convert to fraction form
    258,252,848.34/387,454,744.06 = 83,371,779/x
  3. Step 3: Cross multiply
    258,252,848.34x = 387,454,744.06 × 83,371,779
  4. Step 4: Simplify right side
    258,252,848.34x = 32,302,791,294,271,884
  5. Step 5: Solve for x
    x = 32,302,791,294,271,884/258,252,848.34
  6. Step 6: Final answer
    x = 125,082,032.98

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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.