Home / 156,011,807.20-234,045,704.40-65,144,581.60

Finding the Fourth Proportional to 156,011,807.20, 234,045,704.40 and 65,144,581.60

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Solution

The fourth proportional to 156,011,807.20, 234,045,704.40 and 65,144,581.60 is: 97,728,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,011,807.20 : 234,045,704.40 = 65,144,581.60 : x
  2. Step 2: Convert to fraction form
    156,011,807.20/234,045,704.40 = 65,144,581.60/x
  3. Step 3: Cross multiply
    156,011,807.20x = 234,045,704.40 × 65,144,581.60
  4. Step 4: Simplify right side
    156,011,807.20x = 15,246,809,488,415,280
  5. Step 5: Solve for x
    x = 15,246,809,488,415,280/156,011,807.20
  6. Step 6: Final answer
    x = 97,728,561.46

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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.