Home / 209,952,226.05-314,928,339.08-145,119,048.45

Finding the Fourth Proportional to 209,952,226.05, 314,928,339.08 and 145,119,048.45

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Solution

The fourth proportional to 209,952,226.05, 314,928,339.08 and 145,119,048.45 is: 217,678,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,226.05 : 314,928,339.08 = 145,119,048.45 : x
  2. Step 2: Convert to fraction form
    209,952,226.05/314,928,339.08 = 145,119,048.45/x
  3. Step 3: Cross multiply
    209,952,226.05x = 314,928,339.08 × 145,119,048.45
  4. Step 4: Simplify right side
    209,952,226.05x = 45,702,100,896,502,944
  5. Step 5: Solve for x
    x = 45,702,100,896,502,944/209,952,226.05
  6. Step 6: Final answer
    x = 217,678,572.68

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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.