Home / 86,644,683.81-130,009,063.50-38,116,231.83

Finding the Fourth Proportional to 86,644,683.81, 130,009,063.50 and 38,116,231.83

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Solution

The fourth proportional to 86,644,683.81, 130,009,063.50 and 38,116,231.83 is: 57,192,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,644,683.81 : 130,009,063.50 = 38,116,231.83 : x
  2. Step 2: Convert to fraction form
    86,644,683.81/130,009,063.50 = 38,116,231.83/x
  3. Step 3: Cross multiply
    86,644,683.81x = 130,009,063.50 × 38,116,231.83
  4. Step 4: Simplify right side
    86,644,683.81x = 4,955,455,604,367,191
  5. Step 5: Solve for x
    x = 4,955,455,604,367,191/86,644,683.81
  6. Step 6: Final answer
    x = 57,192,840.77

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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.