Home / 103,983,718.28-143,452,354.74-62,707,673.48

Finding the Fourth Proportional to 103,983,718.28, 143,452,354.74 and 62,707,673.48

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Solution

The fourth proportional to 103,983,718.28, 143,452,354.74 and 62,707,673.48 is: 86,509,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,983,718.28 : 143,452,354.74 = 62,707,673.48 : x
  2. Step 2: Convert to fraction form
    103,983,718.28/143,452,354.74 = 62,707,673.48/x
  3. Step 3: Cross multiply
    103,983,718.28x = 143,452,354.74 × 62,707,673.48
  4. Step 4: Simplify right side
    103,983,718.28x = 8,995,563,420,973,050
  5. Step 5: Solve for x
    x = 8,995,563,420,973,050/103,983,718.28
  6. Step 6: Final answer
    x = 86,509,345.60

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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.