Home / 102,814,673.79-154,216,333.96-75,176,913.32

Finding the Fourth Proportional to 102,814,673.79, 154,216,333.96 and 75,176,913.32

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Solution

The fourth proportional to 102,814,673.79, 154,216,333.96 and 75,176,913.32 is: 112,761,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,814,673.79 : 154,216,333.96 = 75,176,913.32 : x
  2. Step 2: Convert to fraction form
    102,814,673.79/154,216,333.96 = 75,176,913.32/x
  3. Step 3: Cross multiply
    102,814,673.79x = 154,216,333.96 × 75,176,913.32
  4. Step 4: Simplify right side
    102,814,673.79x = 11,593,507,970,639,092
  5. Step 5: Solve for x
    x = 11,593,507,970,639,092/102,814,673.79
  6. Step 6: Final answer
    x = 112,761,219.22

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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.