Home / 99,549,085.40-137,370,722.83-55,494,135.53

Finding the Fourth Proportional to 99,549,085.40, 137,370,722.83 and 55,494,135.53

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Solution

The fourth proportional to 99,549,085.40, 137,370,722.83 and 55,494,135.53 is: 76,577,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549,085.40 : 137,370,722.83 = 55,494,135.53 : x
  2. Step 2: Convert to fraction form
    99,549,085.40/137,370,722.83 = 55,494,135.53/x
  3. Step 3: Cross multiply
    99,549,085.40x = 137,370,722.83 × 55,494,135.53
  4. Step 4: Simplify right side
    99,549,085.40x = 7,623,269,510,659,428
  5. Step 5: Solve for x
    x = 7,623,269,510,659,428/99,549,085.40
  6. Step 6: Final answer
    x = 76,577,996.47

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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.