Home / 238,687,879.84-358,031,919.04-107,376,779.16

Finding the Fourth Proportional to 238,687,879.84, 358,031,919.04 and 107,376,779.16

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Solution

The fourth proportional to 238,687,879.84, 358,031,919.04 and 107,376,779.16 is: 161,065,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687,879.84 : 358,031,919.04 = 107,376,779.16 : x
  2. Step 2: Convert to fraction form
    238,687,879.84/358,031,919.04 = 107,376,779.16/x
  3. Step 3: Cross multiply
    238,687,879.84x = 358,031,919.04 × 107,376,779.16
  4. Step 4: Simplify right side
    238,687,879.84x = 38,444,314,302,720,640
  5. Step 5: Solve for x
    x = 38,444,314,302,720,640/238,687,879.84
  6. Step 6: Final answer
    x = 161,065,213.40

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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.