Home / 104,976,118.70-157,464,178.05-85,828,496.30

Finding the Fourth Proportional to 104,976,118.70, 157,464,178.05 and 85,828,496.30

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Solution

The fourth proportional to 104,976,118.70, 157,464,178.05 and 85,828,496.30 is: 128,742,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,118.70 : 157,464,178.05 = 85,828,496.30 : x
  2. Step 2: Convert to fraction form
    104,976,118.70/157,464,178.05 = 85,828,496.30/x
  3. Step 3: Cross multiply
    104,976,118.70x = 157,464,178.05 × 85,828,496.30
  4. Step 4: Simplify right side
    104,976,118.70x = 13,514,913,623,146,966
  5. Step 5: Solve for x
    x = 13,514,913,623,146,966/104,976,118.70
  6. Step 6: Final answer
    x = 128,742,744.45

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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.