Home / 107,896,222.76-148,908,326.10-66,108,020.36

Finding the Fourth Proportional to 107,896,222.76, 148,908,326.10 and 66,108,020.36

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Solution

The fourth proportional to 107,896,222.76, 148,908,326.10 and 66,108,020.36 is: 91,236,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,222.76 : 148,908,326.10 = 66,108,020.36 : x
  2. Step 2: Convert to fraction form
    107,896,222.76/148,908,326.10 = 66,108,020.36/x
  3. Step 3: Cross multiply
    107,896,222.76x = 148,908,326.10 × 66,108,020.36
  4. Step 4: Simplify right side
    107,896,222.76x = 9,844,034,653,592,318
  5. Step 5: Solve for x
    x = 9,844,034,653,592,318/107,896,222.76
  6. Step 6: Final answer
    x = 91,236,137.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.