Home / 67,639,870.80-101,458,618.74-46,871,156.52

Finding the Fourth Proportional to 67,639,870.80, 101,458,618.74 and 46,871,156.52

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Solution

The fourth proportional to 67,639,870.80, 101,458,618.74 and 46,871,156.52 is: 70,305,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639,870.80 : 101,458,618.74 = 46,871,156.52 : x
  2. Step 2: Convert to fraction form
    67,639,870.80/101,458,618.74 = 46,871,156.52/x
  3. Step 3: Cross multiply
    67,639,870.80x = 101,458,618.74 × 46,871,156.52
  4. Step 4: Simplify right side
    67,639,870.80x = 4,755,482,799,265,545
  5. Step 5: Solve for x
    x = 4,755,482,799,265,545/67,639,870.80
  6. Step 6: Final answer
    x = 70,305,911.93

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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.