Home / 142,390,823.21-213,594,456.63-54,952,793.93

Finding the Fourth Proportional to 142,390,823.21, 213,594,456.63 and 54,952,793.93

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Solution

The fourth proportional to 142,390,823.21, 213,594,456.63 and 54,952,793.93 is: 82,432,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,390,823.21 : 213,594,456.63 = 54,952,793.93 : x
  2. Step 2: Convert to fraction form
    142,390,823.21/213,594,456.63 = 54,952,793.93/x
  3. Step 3: Cross multiply
    142,390,823.21x = 213,594,456.63 × 54,952,793.93
  4. Step 4: Simplify right side
    142,390,823.21x = 11,737,612,159,778,712
  5. Step 5: Solve for x
    x = 11,737,612,159,778,712/142,390,823.21
  6. Step 6: Final answer
    x = 82,432,363.93

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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.