Home / 99,628,130.37-137,487,714.74-54,976,088.39

Finding the Fourth Proportional to 99,628,130.37, 137,487,714.74 and 54,976,088.39

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Solution

The fourth proportional to 99,628,130.37, 137,487,714.74 and 54,976,088.39 is: 75,867,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,628,130.37 : 137,487,714.74 = 54,976,088.39 : x
  2. Step 2: Convert to fraction form
    99,628,130.37/137,487,714.74 = 54,976,088.39/x
  3. Step 3: Cross multiply
    99,628,130.37x = 137,487,714.74 × 54,976,088.39
  4. Step 4: Simplify right side
    99,628,130.37x = 7,558,536,757,466,747
  5. Step 5: Solve for x
    x = 7,558,536,757,466,747/99,628,130.37
  6. Step 6: Final answer
    x = 75,867,495.75

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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.