Home / 145,181,173.96-217,803,648.30-42,937,240.60

Finding the Fourth Proportional to 145,181,173.96, 217,803,648.30 and 42,937,240.60

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Solution

The fourth proportional to 145,181,173.96, 217,803,648.30 and 42,937,240.60 is: 64,415,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,181,173.96 : 217,803,648.30 = 42,937,240.60 : x
  2. Step 2: Convert to fraction form
    145,181,173.96/217,803,648.30 = 42,937,240.60/x
  3. Step 3: Cross multiply
    145,181,173.96x = 217,803,648.30 × 42,937,240.60
  4. Step 4: Simplify right side
    145,181,173.96x = 9,351,887,650,614,882
  5. Step 5: Solve for x
    x = 9,351,887,650,614,882/145,181,173.96
  6. Step 6: Final answer
    x = 64,415,291.57

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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.