Home / 149,710,830.60-224,566,245.90-81,686,382.60

Finding the Fourth Proportional to 149,710,830.60, 224,566,245.90 and 81,686,382.60

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Solution

The fourth proportional to 149,710,830.60, 224,566,245.90 and 81,686,382.60 is: 122,529,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710,830.60 : 224,566,245.90 = 81,686,382.60 : x
  2. Step 2: Convert to fraction form
    149,710,830.60/224,566,245.90 = 81,686,382.60/x
  3. Step 3: Cross multiply
    149,710,830.60x = 224,566,245.90 × 81,686,382.60
  4. Step 4: Simplify right side
    149,710,830.60x = 18,344,004,281,633,080
  5. Step 5: Solve for x
    x = 18,344,004,281,633,080/149,710,830.60
  6. Step 6: Final answer
    x = 122,529,573.90

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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.