Home / 64,208,060.10-96,312,156.30-30,129,438.78

Finding the Fourth Proportional to 64,208,060.10, 96,312,156.30 and 30,129,438.78

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Solution

The fourth proportional to 64,208,060.10, 96,312,156.30 and 30,129,438.78 is: 45,194,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208,060.10 : 96,312,156.30 = 30,129,438.78 : x
  2. Step 2: Convert to fraction form
    64,208,060.10/96,312,156.30 = 30,129,438.78/x
  3. Step 3: Cross multiply
    64,208,060.10x = 96,312,156.30 × 30,129,438.78
  4. Step 4: Simplify right side
    64,208,060.10x = 2,901,831,217,010,641.50
  5. Step 5: Solve for x
    x = 2,901,831,217,010,641.50/64,208,060.10
  6. Step 6: Final answer
    x = 45,194,189.21

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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.