Home / 86,829,935.33-119,828,680.49-47,673,362.45

Finding the Fourth Proportional to 86,829,935.33, 119,828,680.49 and 47,673,362.45

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Solution

The fourth proportional to 86,829,935.33, 119,828,680.49 and 47,673,362.45 is: 65,791,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,829,935.33 : 119,828,680.49 = 47,673,362.45 : x
  2. Step 2: Convert to fraction form
    86,829,935.33/119,828,680.49 = 47,673,362.45/x
  3. Step 3: Cross multiply
    86,829,935.33x = 119,828,680.49 × 47,673,362.45
  4. Step 4: Simplify right side
    86,829,935.33x = 5,712,636,116,905,014
  5. Step 5: Solve for x
    x = 5,712,636,116,905,014/86,829,935.33
  6. Step 6: Final answer
    x = 65,791,090.31

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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.