Home / 140,989,550.95-211,398,095.44-67,235,888.72

Finding the Fourth Proportional to 140,989,550.95, 211,398,095.44 and 67,235,888.72

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Solution

The fourth proportional to 140,989,550.95, 211,398,095.44 and 67,235,888.72 is: 100,812,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,989,550.95 : 211,398,095.44 = 67,235,888.72 : x
  2. Step 2: Convert to fraction form
    140,989,550.95/211,398,095.44 = 67,235,888.72/x
  3. Step 3: Cross multiply
    140,989,550.95x = 211,398,095.44 × 67,235,888.72
  4. Step 4: Simplify right side
    140,989,550.95x = 14,213,538,821,236,318
  5. Step 5: Solve for x
    x = 14,213,538,821,236,318/140,989,550.95
  6. Step 6: Final answer
    x = 100,812,710.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.