Home / 291,100,551.99-401,715,719.64-158,941,139.46

Finding the Fourth Proportional to 291,100,551.99, 401,715,719.64 and 158,941,139.46

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Solution

The fourth proportional to 291,100,551.99, 401,715,719.64 and 158,941,139.46 is: 219,337,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,551.99 : 401,715,719.64 = 158,941,139.46 : x
  2. Step 2: Convert to fraction form
    291,100,551.99/401,715,719.64 = 158,941,139.46/x
  3. Step 3: Cross multiply
    291,100,551.99x = 401,715,719.64 × 158,941,139.46
  4. Step 4: Simplify right side
    291,100,551.99x = 63,849,154,218,575,504
  5. Step 5: Solve for x
    x = 63,849,154,218,575,504/291,100,551.99
  6. Step 6: Final answer
    x = 219,337,111.46

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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.