Home / 405,278,214.48-607,927,274.37-114,143,367.51

Finding the Fourth Proportional to 405,278,214.48, 607,927,274.37 and 114,143,367.51

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Solution

The fourth proportional to 405,278,214.48, 607,927,274.37 and 114,143,367.51 is: 171,217,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,278,214.48 : 607,927,274.37 = 114,143,367.51 : x
  2. Step 2: Convert to fraction form
    405,278,214.48/607,927,274.37 = 114,143,367.51/x
  3. Step 3: Cross multiply
    405,278,214.48x = 607,927,274.37 × 114,143,367.51
  4. Step 4: Simplify right side
    405,278,214.48x = 69,390,866,297,767,520
  5. Step 5: Solve for x
    x = 69,390,866,297,767,520/405,278,214.48
  6. Step 6: Final answer
    x = 171,217,854.35

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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.