Home / 338,174,875.43-507,102,428.86-131,010,338.15

Finding the Fourth Proportional to 338,174,875.43, 507,102,428.86 and 131,010,338.15

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Solution

The fourth proportional to 338,174,875.43, 507,102,428.86 and 131,010,338.15 is: 196,453,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,174,875.43 : 507,102,428.86 = 131,010,338.15 : x
  2. Step 2: Convert to fraction form
    338,174,875.43/507,102,428.86 = 131,010,338.15/x
  3. Step 3: Cross multiply
    338,174,875.43x = 507,102,428.86 × 131,010,338.15
  4. Step 4: Simplify right side
    338,174,875.43x = 66,435,660,681,409,800
  5. Step 5: Solve for x
    x = 66,435,660,681,409,800/338,174,875.43
  6. Step 6: Final answer
    x = 196,453,567.40

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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.