Home / 138,093,846.08-190,566,806.28-75,370,393.76

Finding the Fourth Proportional to 138,093,846.08, 190,566,806.28 and 75,370,393.76

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Solution

The fourth proportional to 138,093,846.08, 190,566,806.28 and 75,370,393.76 is: 104,009,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,093,846.08 : 190,566,806.28 = 75,370,393.76 : x
  2. Step 2: Convert to fraction form
    138,093,846.08/190,566,806.28 = 75,370,393.76/x
  3. Step 3: Cross multiply
    138,093,846.08x = 190,566,806.28 × 75,370,393.76
  4. Step 4: Simplify right side
    138,093,846.08x = 14,363,095,226,909,242
  5. Step 5: Solve for x
    x = 14,363,095,226,909,242/138,093,846.08
  6. Step 6: Final answer
    x = 104,009,669.04

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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.