Home / 65,556,145.28-98,283,288.18-42,478,319.84

Finding the Fourth Proportional to 65,556,145.28, 98,283,288.18 and 42,478,319.84

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Solution

The fourth proportional to 65,556,145.28, 98,283,288.18 and 42,478,319.84 is: 63,684,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,556,145.28 : 98,283,288.18 = 42,478,319.84 : x
  2. Step 2: Convert to fraction form
    65,556,145.28/98,283,288.18 = 42,478,319.84/x
  3. Step 3: Cross multiply
    65,556,145.28x = 98,283,288.18 × 42,478,319.84
  4. Step 4: Simplify right side
    65,556,145.28x = 4,174,908,950,236,932
  5. Step 5: Solve for x
    x = 4,174,908,950,236,932/65,556,145.28
  6. Step 6: Final answer
    x = 63,684,478.89

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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.