Home / 205,038,285.40-307,557,428.10-61,431,117.40

Finding the Fourth Proportional to 205,038,285.40, 307,557,428.10 and 61,431,117.40

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Solution

The fourth proportional to 205,038,285.40, 307,557,428.10 and 61,431,117.40 is: 92,146,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,038,285.40 : 307,557,428.10 = 61,431,117.40 : x
  2. Step 2: Convert to fraction form
    205,038,285.40/307,557,428.10 = 61,431,117.40/x
  3. Step 3: Cross multiply
    205,038,285.40x = 307,557,428.10 × 61,431,117.40
  4. Step 4: Simplify right side
    205,038,285.40x = 18,893,596,472,853,160
  5. Step 5: Solve for x
    x = 18,893,596,472,853,160/205,038,285.40
  6. Step 6: Final answer
    x = 92,146,676.10

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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.