Home / 314,837,678.12-471,812,598.55-148,663,882.27

Finding the Fourth Proportional to 314,837,678.12, 471,812,598.55 and 148,663,882.27

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Solution

The fourth proportional to 314,837,678.12, 471,812,598.55 and 148,663,882.27 is: 222,786,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,837,678.12 : 471,812,598.55 = 148,663,882.27 : x
  2. Step 2: Convert to fraction form
    314,837,678.12/471,812,598.55 = 148,663,882.27/x
  3. Step 3: Cross multiply
    314,837,678.12x = 471,812,598.55 × 148,663,882.27
  4. Step 4: Simplify right side
    314,837,678.12x = 70,141,492,604,278,600
  5. Step 5: Solve for x
    x = 70,141,492,604,278,600/314,837,678.12
  6. Step 6: Final answer
    x = 222,786,208.51

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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.