Home / 201,855,789.30-302,925,401.55-86,922,815.70

Finding the Fourth Proportional to 201,855,789.30, 302,925,401.55 and 86,922,815.70

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Solution

The fourth proportional to 201,855,789.30, 302,925,401.55 and 86,922,815.70 is: 130,445,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,855,789.30 : 302,925,401.55 = 86,922,815.70 : x
  2. Step 2: Convert to fraction form
    201,855,789.30/302,925,401.55 = 86,922,815.70/x
  3. Step 3: Cross multiply
    201,855,789.30x = 302,925,401.55 × 86,922,815.70
  4. Step 4: Simplify right side
    201,855,789.30x = 26,331,128,849,779,148
  5. Step 5: Solve for x
    x = 26,331,128,849,779,148/201,855,789.30
  6. Step 6: Final answer
    x = 130,445,249.76

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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.