Home / 86,774,439.76-119,748,395.46-47,616,871.12

Finding the Fourth Proportional to 86,774,439.76, 119,748,395.46 and 47,616,871.12

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Solution

The fourth proportional to 86,774,439.76, 119,748,395.46 and 47,616,871.12 is: 65,711,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,774,439.76 : 119,748,395.46 = 47,616,871.12 : x
  2. Step 2: Convert to fraction form
    86,774,439.76/119,748,395.46 = 47,616,871.12/x
  3. Step 3: Cross multiply
    86,774,439.76x = 119,748,395.46 × 47,616,871.12
  4. Step 4: Simplify right side
    86,774,439.76x = 5,702,043,913,445,612
  5. Step 5: Solve for x
    x = 5,702,043,913,445,612/86,774,439.76
  6. Step 6: Final answer
    x = 65,711,100.29

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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.