Home / 215,534,000.30-323,301,000.45-147,509,552.30

Finding the Fourth Proportional to 215,534,000.30, 323,301,000.45 and 147,509,552.30

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Solution

The fourth proportional to 215,534,000.30, 323,301,000.45 and 147,509,552.30 is: 221,264,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,534,000.30 : 323,301,000.45 = 147,509,552.30 : x
  2. Step 2: Convert to fraction form
    215,534,000.30/323,301,000.45 = 147,509,552.30/x
  3. Step 3: Cross multiply
    215,534,000.30x = 323,301,000.45 × 147,509,552.30
  4. Step 4: Simplify right side
    215,534,000.30x = 47,689,985,834,521,600
  5. Step 5: Solve for x
    x = 47,689,985,834,521,600/215,534,000.30
  6. Step 6: Final answer
    x = 221,264,328.45

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1.5x scale

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.