Home / 137,490,809.94-189,733,532.76-75,611,148.30

Finding the Fourth Proportional to 137,490,809.94, 189,733,532.76 and 75,611,148.30

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Solution

The fourth proportional to 137,490,809.94, 189,733,532.76 and 75,611,148.30 is: 104,341,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,490,809.94 : 189,733,532.76 = 75,611,148.30 : x
  2. Step 2: Convert to fraction form
    137,490,809.94/189,733,532.76 = 75,611,148.30/x
  3. Step 3: Cross multiply
    137,490,809.94x = 189,733,532.76 × 75,611,148.30
  4. Step 4: Simplify right side
    137,490,809.94x = 14,345,970,282,999,268
  5. Step 5: Solve for x
    x = 14,345,970,282,999,268/137,490,809.94
  6. Step 6: Final answer
    x = 104,341,303.17

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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.