Home / 291,073,533.96-401,675,338.72-158,908,143.07

Finding the Fourth Proportional to 291,073,533.96, 401,675,338.72 and 158,908,143.07

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Solution

The fourth proportional to 291,073,533.96, 401,675,338.72 and 158,908,143.07 is: 219,289,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,073,533.96 : 401,675,338.72 = 158,908,143.07 : x
  2. Step 2: Convert to fraction form
    291,073,533.96/401,675,338.72 = 158,908,143.07/x
  3. Step 3: Cross multiply
    291,073,533.96x = 401,675,338.72 × 158,908,143.07
  4. Step 4: Simplify right side
    291,073,533.96x = 63,829,482,192,202,912
  5. Step 5: Solve for x
    x = 63,829,482,192,202,912/291,073,533.96
  6. Step 6: Final answer
    x = 219,289,886.39

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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.