Home / 105,174,290.12-158,479,326.59-86,425,051.64

Finding the Fourth Proportional to 105,174,290.12, 158,479,326.59 and 86,425,051.64

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Solution

The fourth proportional to 105,174,290.12, 158,479,326.59 and 86,425,051.64 is: 130,227,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,174,290.12 : 158,479,326.59 = 86,425,051.64 : x
  2. Step 2: Convert to fraction form
    105,174,290.12/158,479,326.59 = 86,425,051.64/x
  3. Step 3: Cross multiply
    105,174,290.12x = 158,479,326.59 × 86,425,051.64
  4. Step 4: Simplify right side
    105,174,290.12x = 13,696,583,984,413,176
  5. Step 5: Solve for x
    x = 13,696,583,984,413,176/105,174,290.12
  6. Step 6: Final answer
    x = 130,227,491.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.