Home / 153,458,866.07-230,352,163.11-66,063,639.86

Finding the Fourth Proportional to 153,458,866.07, 230,352,163.11 and 66,063,639.86

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Solution

The fourth proportional to 153,458,866.07, 230,352,163.11 and 66,063,639.86 is: 99,166,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,458,866.07 : 230,352,163.11 = 66,063,639.86 : x
  2. Step 2: Convert to fraction form
    153,458,866.07/230,352,163.11 = 66,063,639.86/x
  3. Step 3: Cross multiply
    153,458,866.07x = 230,352,163.11 × 66,063,639.86
  4. Step 4: Simplify right side
    153,458,866.07x = 15,217,902,344,671,018
  5. Step 5: Solve for x
    x = 15,217,902,344,671,018/153,458,866.07
  6. Step 6: Final answer
    x = 99,166,002.81

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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.