Home / 55,196,700.75-76,171,950.78-30,417,776.67

Finding the Fourth Proportional to 55,196,700.75, 76,171,950.78 and 30,417,776.67

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Solution

The fourth proportional to 55,196,700.75, 76,171,950.78 and 30,417,776.67 is: 41,976,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,700.75 : 76,171,950.78 = 30,417,776.67 : x
  2. Step 2: Convert to fraction form
    55,196,700.75/76,171,950.78 = 30,417,776.67/x
  3. Step 3: Cross multiply
    55,196,700.75x = 76,171,950.78 × 30,417,776.67
  4. Step 4: Simplify right side
    55,196,700.75x = 2,316,981,386,963,412.50
  5. Step 5: Solve for x
    x = 2,316,981,386,963,412.50/55,196,700.75
  6. Step 6: Final answer
    x = 41,976,809.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.