Home / 217,774,700.80-300,525,303.18-118,656,262.72

Finding the Fourth Proportional to 217,774,700.80, 300,525,303.18 and 118,656,262.72

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Solution

The fourth proportional to 217,774,700.80, 300,525,303.18 and 118,656,262.72 is: 163,743,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,774,700.80 : 300,525,303.18 = 118,656,262.72 : x
  2. Step 2: Convert to fraction form
    217,774,700.80/300,525,303.18 = 118,656,262.72/x
  3. Step 3: Cross multiply
    217,774,700.80x = 300,525,303.18 × 118,656,262.72
  4. Step 4: Simplify right side
    217,774,700.80x = 35,659,209,328,133,732
  5. Step 5: Solve for x
    x = 35,659,209,328,133,732/217,774,700.80
  6. Step 6: Final answer
    x = 163,743,580.85

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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.