Home / 217,517,460.80-300,182,015.92-118,393,417.16

Finding the Fourth Proportional to 217,517,460.80, 300,182,015.92 and 118,393,417.16

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Solution

The fourth proportional to 217,517,460.80, 300,182,015.92 and 118,393,417.16 is: 163,387,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,517,460.80 : 300,182,015.92 = 118,393,417.16 : x
  2. Step 2: Convert to fraction form
    217,517,460.80/300,182,015.92 = 118,393,417.16/x
  3. Step 3: Cross multiply
    217,517,460.80x = 300,182,015.92 × 118,393,417.16
  4. Step 4: Simplify right side
    217,517,460.80x = 35,539,574,634,746,324
  5. Step 5: Solve for x
    x = 35,539,574,634,746,324/217,517,460.80
  6. Step 6: Final answer
    x = 163,387,226.50

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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.