Home / 288,652,113.84-433,018,417.05-89,247,678.61

Finding the Fourth Proportional to 288,652,113.84, 433,018,417.05 and 89,247,678.61

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Solution

The fourth proportional to 288,652,113.84, 433,018,417.05 and 89,247,678.61 is: 133,883,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,652,113.84 : 433,018,417.05 = 89,247,678.61 : x
  2. Step 2: Convert to fraction form
    288,652,113.84/433,018,417.05 = 89,247,678.61/x
  3. Step 3: Cross multiply
    288,652,113.84x = 433,018,417.05 × 89,247,678.61
  4. Step 4: Simplify right side
    288,652,113.84x = 38,645,888,517,089,344
  5. Step 5: Solve for x
    x = 38,645,888,517,089,344/288,652,113.84
  6. Step 6: Final answer
    x = 133,883,961.57

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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.