Home / 64,689,086.84-89,270,263.76-35,320,328.78

Finding the Fourth Proportional to 64,689,086.84, 89,270,263.76 and 35,320,328.78

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Solution

The fourth proportional to 64,689,086.84, 89,270,263.76 and 35,320,328.78 is: 48,741,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,689,086.84 : 89,270,263.76 = 35,320,328.78 : x
  2. Step 2: Convert to fraction form
    64,689,086.84/89,270,263.76 = 35,320,328.78/x
  3. Step 3: Cross multiply
    64,689,086.84x = 89,270,263.76 × 35,320,328.78
  4. Step 4: Simplify right side
    64,689,086.84x = 3,153,055,065,657,565.50
  5. Step 5: Solve for x
    x = 3,153,055,065,657,565.50/64,689,086.84
  6. Step 6: Final answer
    x = 48,741,684.57

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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.