Home / 288,652,111.34-433,018,413.30-89,247,676.11

Finding the Fourth Proportional to 288,652,111.34, 433,018,413.30 and 89,247,676.11

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Solution

The fourth proportional to 288,652,111.34, 433,018,413.30 and 89,247,676.11 is: 133,883,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,652,111.34 : 433,018,413.30 = 89,247,676.11 : x
  2. Step 2: Convert to fraction form
    288,652,111.34/433,018,413.30 = 89,247,676.11/x
  3. Step 3: Cross multiply
    288,652,111.34x = 433,018,413.30 × 89,247,676.11
  4. Step 4: Simplify right side
    288,652,111.34x = 38,645,887,099,864,520
  5. Step 5: Solve for x
    x = 38,645,887,099,864,520/288,652,111.34
  6. Step 6: Final answer
    x = 133,883,957.82

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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.