Home / 105,174,484.90-158,479,619.80-86,425,246.42

Finding the Fourth Proportional to 105,174,484.90, 158,479,619.80 and 86,425,246.42

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Solution

The fourth proportional to 105,174,484.90, 158,479,619.80 and 86,425,246.42 is: 130,227,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,174,484.90 : 158,479,619.80 = 86,425,246.42 : x
  2. Step 2: Convert to fraction form
    105,174,484.90/158,479,619.80 = 86,425,246.42/x
  3. Step 3: Cross multiply
    105,174,484.90x = 158,479,619.80 × 86,425,246.42
  4. Step 4: Simplify right side
    105,174,484.90x = 13,696,640,193,762,912
  5. Step 5: Solve for x
    x = 13,696,640,193,762,912/105,174,484.90
  6. Step 6: Final answer
    x = 130,227,784.87

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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.