Home / 149,710,848.60-224,566,272.90-81,686,400.60

Finding the Fourth Proportional to 149,710,848.60, 224,566,272.90 and 81,686,400.60

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Solution

The fourth proportional to 149,710,848.60, 224,566,272.90 and 81,686,400.60 is: 122,529,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710,848.60 : 224,566,272.90 = 81,686,400.60 : x
  2. Step 2: Convert to fraction form
    149,710,848.60/224,566,272.90 = 81,686,400.60/x
  3. Step 3: Cross multiply
    149,710,848.60x = 224,566,272.90 × 81,686,400.60
  4. Step 4: Simplify right side
    149,710,848.60x = 18,344,010,529,358,324
  5. Step 5: Solve for x
    x = 18,344,010,529,358,324/149,710,848.60
  6. Step 6: Final answer
    x = 122,529,600.90

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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.