Home / 260,136,732.40-390,167,115.86-75,854,688.64

Finding the Fourth Proportional to 260,136,732.40, 390,167,115.86 and 75,854,688.64

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Solution

The fourth proportional to 260,136,732.40, 390,167,115.86 and 75,854,688.64 is: 113,770,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,136,732.40 : 390,167,115.86 = 75,854,688.64 : x
  2. Step 2: Convert to fraction form
    260,136,732.40/390,167,115.86 = 75,854,688.64/x
  3. Step 3: Cross multiply
    260,136,732.40x = 390,167,115.86 × 75,854,688.64
  4. Step 4: Simplify right side
    260,136,732.40x = 29,596,005,091,127,108
  5. Step 5: Solve for x
    x = 29,596,005,091,127,108/260,136,732.40
  6. Step 6: Final answer
    x = 113,770,957.37

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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.