Home / 86,692,793.15-119,653,434.93-51,430,171.17

Finding the Fourth Proportional to 86,692,793.15, 119,653,434.93 and 51,430,171.17

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Solution

The fourth proportional to 86,692,793.15, 119,653,434.93 and 51,430,171.17 is: 70,983,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,692,793.15 : 119,653,434.93 = 51,430,171.17 : x
  2. Step 2: Convert to fraction form
    86,692,793.15/119,653,434.93 = 51,430,171.17/x
  3. Step 3: Cross multiply
    86,692,793.15x = 119,653,434.93 × 51,430,171.17
  4. Step 4: Simplify right side
    86,692,793.15x = 6,153,796,639,528,358
  5. Step 5: Solve for x
    x = 6,153,796,639,528,358/86,692,793.15
  6. Step 6: Final answer
    x = 70,983,947.06

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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.