Home / 157,414,384.74-217,232,605.44-86,849,991.39

Finding the Fourth Proportional to 157,414,384.74, 217,232,605.44 and 86,849,991.39

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Solution

The fourth proportional to 157,414,384.74, 217,232,605.44 and 86,849,991.39 is: 119,853,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414,384.74 : 217,232,605.44 = 86,849,991.39 : x
  2. Step 2: Convert to fraction form
    157,414,384.74/217,232,605.44 = 86,849,991.39/x
  3. Step 3: Cross multiply
    157,414,384.74x = 217,232,605.44 × 86,849,991.39
  4. Step 4: Simplify right side
    157,414,384.74x = 18,866,649,912,091,268
  5. Step 5: Solve for x
    x = 18,866,649,912,091,268/157,414,384.74
  6. Step 6: Final answer
    x = 119,853,404.40

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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.