Home / 157,730,838.58-236,384,771.83-122,758,182.98

Finding the Fourth Proportional to 157,730,838.58, 236,384,771.83 and 122,758,182.98

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Solution

The fourth proportional to 157,730,838.58, 236,384,771.83 and 122,758,182.98 is: 183,972,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,730,838.58 : 236,384,771.83 = 122,758,182.98 : x
  2. Step 2: Convert to fraction form
    157,730,838.58/236,384,771.83 = 122,758,182.98/x
  3. Step 3: Cross multiply
    157,730,838.58x = 236,384,771.83 × 122,758,182.98
  4. Step 4: Simplify right side
    157,730,838.58x = 29,018,165,073,992,692
  5. Step 5: Solve for x
    x = 29,018,165,073,992,692/157,730,838.58
  6. Step 6: Final answer
    x = 183,972,679.88

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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.