Home / 288,628,337.75-433,014,693.84-84,156,413

Finding the Fourth Proportional to 288,628,337.75, 433,014,693.84 and 84,156,413

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Solution

The fourth proportional to 288,628,337.75, 433,014,693.84 and 84,156,413 is: 126,255,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,628,337.75 : 433,014,693.84 = 84,156,413 : x
  2. Step 2: Convert to fraction form
    288,628,337.75/433,014,693.84 = 84,156,413/x
  3. Step 3: Cross multiply
    288,628,337.75x = 433,014,693.84 × 84,156,413
  4. Step 4: Simplify right side
    288,628,337.75x = 36,440,963,409,867,592
  5. Step 5: Solve for x
    x = 36,440,963,409,867,592/288,628,337.75
  6. Step 6: Final answer
    x = 126,255,667.39

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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.