Home / 403,734,457.85-605,709,345.29-144,951,920.10

Finding the Fourth Proportional to 403,734,457.85, 605,709,345.29 and 144,951,920.10

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Solution

The fourth proportional to 403,734,457.85, 605,709,345.29 and 144,951,920.10 is: 217,466,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,734,457.85 : 605,709,345.29 = 144,951,920.10 : x
  2. Step 2: Convert to fraction form
    403,734,457.85/605,709,345.29 = 144,951,920.10/x
  3. Step 3: Cross multiply
    403,734,457.85x = 605,709,345.29 × 144,951,920.10
  4. Step 4: Simplify right side
    403,734,457.85x = 87,798,732,621,574,624
  5. Step 5: Solve for x
    x = 87,798,732,621,574,624/403,734,457.85
  6. Step 6: Final answer
    x = 217,466,532.56

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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.