Home / 96,871,643.80-145,225,166.14-45,086,318.68

Finding the Fourth Proportional to 96,871,643.80, 145,225,166.14 and 45,086,318.68

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Solution

The fourth proportional to 96,871,643.80, 145,225,166.14 and 45,086,318.68 is: 67,591,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,871,643.80 : 145,225,166.14 = 45,086,318.68 : x
  2. Step 2: Convert to fraction form
    96,871,643.80/145,225,166.14 = 45,086,318.68/x
  3. Step 3: Cross multiply
    96,871,643.80x = 145,225,166.14 × 45,086,318.68
  4. Step 4: Simplify right side
    96,871,643.80x = 6,547,668,120,943,985
  5. Step 5: Solve for x
    x = 6,547,668,120,943,985/96,871,643.80
  6. Step 6: Final answer
    x = 67,591,173.89

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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.