Home / 82,944,339.40-124,416,509.10-72,866,643.40

Finding the Fourth Proportional to 82,944,339.40, 124,416,509.10 and 72,866,643.40

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Solution

The fourth proportional to 82,944,339.40, 124,416,509.10 and 72,866,643.40 is: 109,299,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,339.40 : 124,416,509.10 = 72,866,643.40 : x
  2. Step 2: Convert to fraction form
    82,944,339.40/124,416,509.10 = 72,866,643.40/x
  3. Step 3: Cross multiply
    82,944,339.40x = 124,416,509.10 × 72,866,643.40
  4. Step 4: Simplify right side
    82,944,339.40x = 9,065,813,401,662,556
  5. Step 5: Solve for x
    x = 9,065,813,401,662,556/82,944,339.40
  6. Step 6: Final answer
    x = 109,299,965.10

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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.