Home / 103,468,602.72-155,203,465.18-30,686,014.64

Finding the Fourth Proportional to 103,468,602.72, 155,203,465.18 and 30,686,014.64

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Solution

The fourth proportional to 103,468,602.72, 155,203,465.18 and 30,686,014.64 is: 46,029,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,468,602.72 : 155,203,465.18 = 30,686,014.64 : x
  2. Step 2: Convert to fraction form
    103,468,602.72/155,203,465.18 = 30,686,014.64/x
  3. Step 3: Cross multiply
    103,468,602.72x = 155,203,465.18 × 30,686,014.64
  4. Step 4: Simplify right side
    103,468,602.72x = 4,762,575,804,692,211
  5. Step 5: Solve for x
    x = 4,762,575,804,692,211/103,468,602.72
  6. Step 6: Final answer
    x = 46,029,188.37

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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.