Home / 28,107,995,367.99-42,168,971,329.27-13,949,605,980.68

Finding the Fourth Proportional to 28,107,995,367.99, 42,168,971,329.27 and 13,949,605,980.68

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Solution

The fourth proportional to 28,107,995,367.99, 42,168,971,329.27 and 13,949,605,980.68 is: 20,927,872,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,995,367.99 : 42,168,971,329.27 = 13,949,605,980.68 : x
  2. Step 2: Convert to fraction form
    28,107,995,367.99/42,168,971,329.27 = 13,949,605,980.68/x
  3. Step 3: Cross multiply
    28,107,995,367.99x = 42,168,971,329.27 × 13,949,605,980.68
  4. Step 4: Simplify right side
    28,107,995,367.99x = 588,240,534,653,908,221,952
  5. Step 5: Solve for x
    x = 588,240,534,653,908,221,952/28,107,995,367.99
  6. Step 6: Final answer
    x = 20,927,872,192.69

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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.