Home / 65,834,487.53-98,680,453.54-42,821,867.51

Finding the Fourth Proportional to 65,834,487.53, 98,680,453.54 and 42,821,867.51

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Solution

The fourth proportional to 65,834,487.53, 98,680,453.54 and 42,821,867.51 is: 64,186,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,834,487.53 : 98,680,453.54 = 42,821,867.51 : x
  2. Step 2: Convert to fraction form
    65,834,487.53/98,680,453.54 = 42,821,867.51/x
  3. Step 3: Cross multiply
    65,834,487.53x = 98,680,453.54 × 42,821,867.51
  4. Step 4: Simplify right side
    65,834,487.53x = 4,225,681,307,086,185
  5. Step 5: Solve for x
    x = 4,225,681,307,086,185/65,834,487.53
  6. Step 6: Final answer
    x = 64,186,438.84

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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.