Home / 145,290,519.79-217,833,595.25-67,484,816.15

Finding the Fourth Proportional to 145,290,519.79, 217,833,595.25 and 67,484,816.15

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Solution

The fourth proportional to 145,290,519.79, 217,833,595.25 and 67,484,816.15 is: 101,179,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,290,519.79 : 217,833,595.25 = 67,484,816.15 : x
  2. Step 2: Convert to fraction form
    145,290,519.79/217,833,595.25 = 67,484,816.15/x
  3. Step 3: Cross multiply
    145,290,519.79x = 217,833,595.25 × 67,484,816.15
  4. Step 4: Simplify right side
    145,290,519.79x = 14,700,460,125,313,170
  5. Step 5: Solve for x
    x = 14,700,460,125,313,170/145,290,519.79
  6. Step 6: Final answer
    x = 101,179,761.40

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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.