Home / 260,108,461.53-390,143,071.56-82,838,438.73

Finding the Fourth Proportional to 260,108,461.53, 390,143,071.56 and 82,838,438.73

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Solution

The fourth proportional to 260,108,461.53, 390,143,071.56 and 82,838,438.73 is: 124,251,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,108,461.53 : 390,143,071.56 = 82,838,438.73 : x
  2. Step 2: Convert to fraction form
    260,108,461.53/390,143,071.56 = 82,838,438.73/x
  3. Step 3: Cross multiply
    260,108,461.53x = 390,143,071.56 × 82,838,438.73
  4. Step 4: Simplify right side
    260,108,461.53x = 32,318,842,929,357,068
  5. Step 5: Solve for x
    x = 32,318,842,929,357,068/260,108,461.53
  6. Step 6: Final answer
    x = 124,251,409.35

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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.