Home / 66,103,343.10-99,155,014.65-40,237,256.70

Finding the Fourth Proportional to 66,103,343.10, 99,155,014.65 and 40,237,256.70

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Solution

The fourth proportional to 66,103,343.10, 99,155,014.65 and 40,237,256.70 is: 60,355,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103,343.10 : 99,155,014.65 = 40,237,256.70 : x
  2. Step 2: Convert to fraction form
    66,103,343.10/99,155,014.65 = 40,237,256.70/x
  3. Step 3: Cross multiply
    66,103,343.10x = 99,155,014.65 × 40,237,256.70
  4. Step 4: Simplify right side
    66,103,343.10x = 3,989,725,777,564,311
  5. Step 5: Solve for x
    x = 3,989,725,777,564,311/66,103,343.10
  6. Step 6: Final answer
    x = 60,355,885.05

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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.