Home / 65,881,159.85-90,916,009.07-36,514,388.32

Finding the Fourth Proportional to 65,881,159.85, 90,916,009.07 and 36,514,388.32

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Solution

The fourth proportional to 65,881,159.85, 90,916,009.07 and 36,514,388.32 is: 50,389,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,881,159.85 : 90,916,009.07 = 36,514,388.32 : x
  2. Step 2: Convert to fraction form
    65,881,159.85/90,916,009.07 = 36,514,388.32/x
  3. Step 3: Cross multiply
    65,881,159.85x = 90,916,009.07 × 36,514,388.32
  4. Step 4: Simplify right side
    65,881,159.85x = 3,319,742,459,276,760.50
  5. Step 5: Solve for x
    x = 3,319,742,459,276,760.50/65,881,159.85
  6. Step 6: Final answer
    x = 50,389,860.57

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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.