Home / 30,339,950.10-45,509,925.15-20,136,282.90

Finding the Fourth Proportional to 30,339,950.10, 45,509,925.15 and 20,136,282.90

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Solution

The fourth proportional to 30,339,950.10, 45,509,925.15 and 20,136,282.90 is: 30,204,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,950.10 : 45,509,925.15 = 20,136,282.90 : x
  2. Step 2: Convert to fraction form
    30,339,950.10/45,509,925.15 = 20,136,282.90/x
  3. Step 3: Cross multiply
    30,339,950.10x = 45,509,925.15 × 20,136,282.90
  4. Step 4: Simplify right side
    30,339,950.10x = 916,400,727,578,224.88
  5. Step 5: Solve for x
    x = 916,400,727,578,224.88/30,339,950.10
  6. Step 6: Final answer
    x = 30,204,424.35

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1.5x scale

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.