Home / 291,073,533.21-401,675,337.69-158,908,142.32

Finding the Fourth Proportional to 291,073,533.21, 401,675,337.69 and 158,908,142.32

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Solution

The fourth proportional to 291,073,533.21, 401,675,337.69 and 158,908,142.32 is: 219,289,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,073,533.21 : 401,675,337.69 = 158,908,142.32 : x
  2. Step 2: Convert to fraction form
    291,073,533.21/401,675,337.69 = 158,908,142.32/x
  3. Step 3: Cross multiply
    291,073,533.21x = 401,675,337.69 × 158,908,142.32
  4. Step 4: Simplify right side
    291,073,533.21x = 63,829,481,726,476,480
  5. Step 5: Solve for x
    x = 63,829,481,726,476,480/291,073,533.21
  6. Step 6: Final answer
    x = 219,289,885.35

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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.