Home / 185,463,581.88-278,186,394.78-70,439,147.40

Finding the Fourth Proportional to 185,463,581.88, 278,186,394.78 and 70,439,147.40

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Solution

The fourth proportional to 185,463,581.88, 278,186,394.78 and 70,439,147.40 is: 105,655,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,463,581.88 : 278,186,394.78 = 70,439,147.40 : x
  2. Step 2: Convert to fraction form
    185,463,581.88/278,186,394.78 = 70,439,147.40/x
  3. Step 3: Cross multiply
    185,463,581.88x = 278,186,394.78 × 70,439,147.40
  4. Step 4: Simplify right side
    185,463,581.88x = 19,595,212,466,583,012
  5. Step 5: Solve for x
    x = 19,595,212,466,583,012/185,463,581.88
  6. Step 6: Final answer
    x = 105,655,311.24

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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.