Home / 153,716,038.08-212,107,182.78-91,823,238.24

Finding the Fourth Proportional to 153,716,038.08, 212,107,182.78 and 91,823,238.24

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Solution

The fourth proportional to 153,716,038.08, 212,107,182.78 and 91,823,238.24 is: 126,703,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,716,038.08 : 212,107,182.78 = 91,823,238.24 : x
  2. Step 2: Convert to fraction form
    153,716,038.08/212,107,182.78 = 91,823,238.24/x
  3. Step 3: Cross multiply
    153,716,038.08x = 212,107,182.78 × 91,823,238.24
  4. Step 4: Simplify right side
    153,716,038.08x = 19,476,368,376,823,164
  5. Step 5: Solve for x
    x = 19,476,368,376,823,164/153,716,038.08
  6. Step 6: Final answer
    x = 126,703,554.29

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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.