Home / 99,709,430.20-149,564,145.30-93,662,812.60

Finding the Fourth Proportional to 99,709,430.20, 149,564,145.30 and 93,662,812.60

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Solution

The fourth proportional to 99,709,430.20, 149,564,145.30 and 93,662,812.60 is: 140,494,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709,430.20 : 149,564,145.30 = 93,662,812.60 : x
  2. Step 2: Convert to fraction form
    99,709,430.20/149,564,145.30 = 93,662,812.60/x
  3. Step 3: Cross multiply
    99,709,430.20x = 149,564,145.30 × 93,662,812.60
  4. Step 4: Simplify right side
    99,709,430.20x = 14,008,598,512,913,072
  5. Step 5: Solve for x
    x = 14,008,598,512,913,072/99,709,430.20
  6. Step 6: Final answer
    x = 140,494,218.90

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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.