Home / 139,887,799.04-209,849,276.64-75,102,556.16

Finding the Fourth Proportional to 139,887,799.04, 209,849,276.64 and 75,102,556.16

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Solution

The fourth proportional to 139,887,799.04, 209,849,276.64 and 75,102,556.16 is: 112,663,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,887,799.04 : 209,849,276.64 = 75,102,556.16 : x
  2. Step 2: Convert to fraction form
    139,887,799.04/209,849,276.64 = 75,102,556.16/x
  3. Step 3: Cross multiply
    139,887,799.04x = 209,849,276.64 × 75,102,556.16
  4. Step 4: Simplify right side
    139,887,799.04x = 15,760,217,083,990,974
  5. Step 5: Solve for x
    x = 15,760,217,083,990,974/139,887,799.04
  6. Step 6: Final answer
    x = 112,663,271.51

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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.