Home / 137,881,374.80-190,275,157.32-75,156,332.15

Finding the Fourth Proportional to 137,881,374.80, 190,275,157.32 and 75,156,332.15

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Solution

The fourth proportional to 137,881,374.80, 190,275,157.32 and 75,156,332.15 is: 103,715,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,881,374.80 : 190,275,157.32 = 75,156,332.15 : x
  2. Step 2: Convert to fraction form
    137,881,374.80/190,275,157.32 = 75,156,332.15/x
  3. Step 3: Cross multiply
    137,881,374.80x = 190,275,157.32 × 75,156,332.15
  4. Step 4: Simplify right side
    137,881,374.80x = 14,300,382,923,629,276
  5. Step 5: Solve for x
    x = 14,300,382,923,629,276/137,881,374.80
  6. Step 6: Final answer
    x = 103,715,117.03

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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.