Home / 42,768,143.45-64,152,215.18-25,762,031.45

Finding the Fourth Proportional to 42,768,143.45, 64,152,215.18 and 25,762,031.45

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Solution

The fourth proportional to 42,768,143.45, 64,152,215.18 and 25,762,031.45 is: 38,643,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,143.45 : 64,152,215.18 = 25,762,031.45 : x
  2. Step 2: Convert to fraction form
    42,768,143.45/64,152,215.18 = 25,762,031.45/x
  3. Step 3: Cross multiply
    42,768,143.45x = 64,152,215.18 × 25,762,031.45
  4. Step 4: Simplify right side
    42,768,143.45x = 1,652,691,384,925,517.25
  5. Step 5: Solve for x
    x = 1,652,691,384,925,517.25/42,768,143.45
  6. Step 6: Final answer
    x = 38,643,047.18

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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.