Home / 145,175,228.68-217,805,357.94-42,941,988.76

Finding the Fourth Proportional to 145,175,228.68, 217,805,357.94 and 42,941,988.76

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Solution

The fourth proportional to 145,175,228.68, 217,805,357.94 and 42,941,988.76 is: 64,425,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175,228.68 : 217,805,357.94 = 42,941,988.76 : x
  2. Step 2: Convert to fraction form
    145,175,228.68/217,805,357.94 = 42,941,988.76/x
  3. Step 3: Cross multiply
    145,175,228.68x = 217,805,357.94 × 42,941,988.76
  4. Step 4: Simplify right side
    145,175,228.68x = 9,352,995,232,527,256
  5. Step 5: Solve for x
    x = 9,352,995,232,527,256/145,175,228.68
  6. Step 6: Final answer
    x = 64,425,558.81

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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.