Home / 138,077,775.04-190,551,906.30-75,357,307.48

Finding the Fourth Proportional to 138,077,775.04, 190,551,906.30 and 75,357,307.48

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Solution

The fourth proportional to 138,077,775.04, 190,551,906.30 and 75,357,307.48 is: 103,995,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,775.04 : 190,551,906.30 = 75,357,307.48 : x
  2. Step 2: Convert to fraction form
    138,077,775.04/190,551,906.30 = 75,357,307.48/x
  3. Step 3: Cross multiply
    138,077,775.04x = 190,551,906.30 × 75,357,307.48
  4. Step 4: Simplify right side
    138,077,775.04x = 14,359,478,593,949,250
  5. Step 5: Solve for x
    x = 14,359,478,593,949,250/138,077,775.04
  6. Step 6: Final answer
    x = 103,995,582.13

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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.