Home / 65,240,003.70-97,860,005.55-43,740,918.90

Finding the Fourth Proportional to 65,240,003.70, 97,860,005.55 and 43,740,918.90

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Solution

The fourth proportional to 65,240,003.70, 97,860,005.55 and 43,740,918.90 is: 65,611,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240,003.70 : 97,860,005.55 = 43,740,918.90 : x
  2. Step 2: Convert to fraction form
    65,240,003.70/97,860,005.55 = 43,740,918.90/x
  3. Step 3: Cross multiply
    65,240,003.70x = 97,860,005.55 × 43,740,918.90
  4. Step 4: Simplify right side
    65,240,003.70x = 4,280,486,566,316,099.50
  5. Step 5: Solve for x
    x = 4,280,486,566,316,099.50/65,240,003.70
  6. Step 6: Final answer
    x = 65,611,378.35

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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.