Home / 147,297,390.23-220,931,738.78-59,864,149.51

Finding the Fourth Proportional to 147,297,390.23, 220,931,738.78 and 59,864,149.51

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Solution

The fourth proportional to 147,297,390.23, 220,931,738.78 and 59,864,149.51 is: 89,790,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,297,390.23 : 220,931,738.78 = 59,864,149.51 : x
  2. Step 2: Convert to fraction form
    147,297,390.23/220,931,738.78 = 59,864,149.51/x
  3. Step 3: Cross multiply
    147,297,390.23x = 220,931,738.78 × 59,864,149.51
  4. Step 4: Simplify right side
    147,297,390.23x = 13,225,890,640,426,206
  5. Step 5: Solve for x
    x = 13,225,890,640,426,206/147,297,390.23
  6. Step 6: Final answer
    x = 89,790,393.57

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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.