Home / 138,077,860.16-190,552,023.72-75,357,392.48

Finding the Fourth Proportional to 138,077,860.16, 190,552,023.72 and 75,357,392.48

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Solution

The fourth proportional to 138,077,860.16, 190,552,023.72 and 75,357,392.48 is: 103,995,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,860.16 : 190,552,023.72 = 75,357,392.48 : x
  2. Step 2: Convert to fraction form
    138,077,860.16/190,552,023.72 = 75,357,392.48/x
  3. Step 3: Cross multiply
    138,077,860.16x = 190,552,023.72 × 75,357,392.48
  4. Step 4: Simplify right side
    138,077,860.16x = 14,359,503,639,326,310
  5. Step 5: Solve for x
    x = 14,359,503,639,326,310/138,077,860.16
  6. Step 6: Final answer
    x = 103,995,699.40

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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.