Home / 65,421,388,135.13-90,281,515,800.32-35,347,872,676.50

Finding the Fourth Proportional to 65,421,388,135.13, 90,281,515,800.32 and 35,347,872,676.50

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Solution

The fourth proportional to 65,421,388,135.13, 90,281,515,800.32 and 35,347,872,676.50 is: 48,780,064,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,135.13 : 90,281,515,800.32 = 35,347,872,676.50 : x
  2. Step 2: Convert to fraction form
    65,421,388,135.13/90,281,515,800.32 = 35,347,872,676.50/x
  3. Step 3: Cross multiply
    65,421,388,135.13x = 90,281,515,800.32 × 35,347,872,676.50
  4. Step 4: Simplify right side
    65,421,388,135.13x = 3,191,259,525,551,134,605,312
  5. Step 5: Solve for x
    x = 3,191,259,525,551,134,605,312/65,421,388,135.13
  6. Step 6: Final answer
    x = 48,780,064,387.50

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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.