Home / 205,038,279.40-307,557,419.10-61,431,111.40

Finding the Fourth Proportional to 205,038,279.40, 307,557,419.10 and 61,431,111.40

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Solution

The fourth proportional to 205,038,279.40, 307,557,419.10 and 61,431,111.40 is: 92,146,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,038,279.40 : 307,557,419.10 = 61,431,111.40 : x
  2. Step 2: Convert to fraction form
    205,038,279.40/307,557,419.10 = 61,431,111.40/x
  3. Step 3: Cross multiply
    205,038,279.40x = 307,557,419.10 × 61,431,111.40
  4. Step 4: Simplify right side
    205,038,279.40x = 18,893,594,074,628,588
  5. Step 5: Solve for x
    x = 18,893,594,074,628,588/205,038,279.40
  6. Step 6: Final answer
    x = 92,146,667.10

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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.