Home / 138,093,844.08-190,566,803.52-75,370,391.76

Finding the Fourth Proportional to 138,093,844.08, 190,566,803.52 and 75,370,391.76

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Solution

The fourth proportional to 138,093,844.08, 190,566,803.52 and 75,370,391.76 is: 104,009,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,093,844.08 : 190,566,803.52 = 75,370,391.76 : x
  2. Step 2: Convert to fraction form
    138,093,844.08/190,566,803.52 = 75,370,391.76/x
  3. Step 3: Cross multiply
    138,093,844.08x = 190,566,803.52 × 75,370,391.76
  4. Step 4: Simplify right side
    138,093,844.08x = 14,363,094,637,753,348
  5. Step 5: Solve for x
    x = 14,363,094,637,753,348/138,093,844.08
  6. Step 6: Final answer
    x = 104,009,666.28

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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.