Home / 238,687,880.35-358,031,919.79-107,376,779.67

Finding the Fourth Proportional to 238,687,880.35, 358,031,919.79 and 107,376,779.67

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Solution

The fourth proportional to 238,687,880.35, 358,031,919.79 and 107,376,779.67 is: 161,065,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687,880.35 : 358,031,919.79 = 107,376,779.67 : x
  2. Step 2: Convert to fraction form
    238,687,880.35/358,031,919.79 = 107,376,779.67/x
  3. Step 3: Cross multiply
    238,687,880.35x = 358,031,919.79 × 107,376,779.67
  4. Step 4: Simplify right side
    238,687,880.35x = 38,444,314,566,117,944
  5. Step 5: Solve for x
    x = 38,444,314,566,117,944/238,687,880.35
  6. Step 6: Final answer
    x = 161,065,214.16

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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.