Home / 86,692,793.81-119,653,435.81-51,430,171.89

Finding the Fourth Proportional to 86,692,793.81, 119,653,435.81 and 51,430,171.89

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Solution

The fourth proportional to 86,692,793.81, 119,653,435.81 and 51,430,171.89 is: 70,983,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,692,793.81 : 119,653,435.81 = 51,430,171.89 : x
  2. Step 2: Convert to fraction form
    86,692,793.81/119,653,435.81 = 51,430,171.89/x
  3. Step 3: Cross multiply
    86,692,793.81x = 119,653,435.81 × 51,430,171.89
  4. Step 4: Simplify right side
    86,692,793.81x = 6,153,796,771,450,369
  5. Step 5: Solve for x
    x = 6,153,796,771,450,369/86,692,793.81
  6. Step 6: Final answer
    x = 70,983,948.05

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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.