Home / 138,077,559.08-190,551,071.28-75,357,679.84

Finding the Fourth Proportional to 138,077,559.08, 190,551,071.28 and 75,357,679.84

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Solution

The fourth proportional to 138,077,559.08, 190,551,071.28 and 75,357,679.84 is: 103,995,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,559.08 : 190,551,071.28 = 75,357,679.84 : x
  2. Step 2: Convert to fraction form
    138,077,559.08/190,551,071.28 = 75,357,679.84/x
  3. Step 3: Cross multiply
    138,077,559.08x = 190,551,071.28 × 75,357,679.84
  4. Step 4: Simplify right side
    138,077,559.08x = 14,359,486,622,687,260
  5. Step 5: Solve for x
    x = 14,359,486,622,687,260/138,077,559.08
  6. Step 6: Final answer
    x = 103,995,802.93

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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.