Home / 53,241,153.28-79,870,555.44-18,688,589.20

Finding the Fourth Proportional to 53,241,153.28, 79,870,555.44 and 18,688,589.20

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Solution

The fourth proportional to 53,241,153.28, 79,870,555.44 and 18,688,589.20 is: 28,035,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241,153.28 : 79,870,555.44 = 18,688,589.20 : x
  2. Step 2: Convert to fraction form
    53,241,153.28/79,870,555.44 = 18,688,589.20/x
  3. Step 3: Cross multiply
    53,241,153.28x = 79,870,555.44 × 18,688,589.20
  4. Step 4: Simplify right side
    53,241,153.28x = 1,492,667,999,793,985.25
  5. Step 5: Solve for x
    x = 1,492,667,999,793,985.25/53,241,153.28
  6. Step 6: Final answer
    x = 28,035,981.71

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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.