Home / 65,421,388,108.15-90,281,515,763-35,347,872,649.52

Finding the Fourth Proportional to 65,421,388,108.15, 90,281,515,763 and 35,347,872,649.52

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Solution

The fourth proportional to 65,421,388,108.15, 90,281,515,763 and 35,347,872,649.52 is: 48,780,064,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,108.15 : 90,281,515,763 = 35,347,872,649.52 : x
  2. Step 2: Convert to fraction form
    65,421,388,108.15/90,281,515,763 = 35,347,872,649.52/x
  3. Step 3: Cross multiply
    65,421,388,108.15x = 90,281,515,763 × 35,347,872,649.52
  4. Step 4: Simplify right side
    65,421,388,108.15x = 3,191,259,521,796,156,162,048
  5. Step 5: Solve for x
    x = 3,191,259,521,796,156,162,048/65,421,388,108.15
  6. Step 6: Final answer
    x = 48,780,064,350.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.