Home / 217,782,146.98-300,539,406.09-118,662,894.35

Finding the Fourth Proportional to 217,782,146.98, 300,539,406.09 and 118,662,894.35

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Solution

The fourth proportional to 217,782,146.98, 300,539,406.09 and 118,662,894.35 is: 163,754,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,782,146.98 : 300,539,406.09 = 118,662,894.35 : x
  2. Step 2: Convert to fraction form
    217,782,146.98/300,539,406.09 = 118,662,894.35/x
  3. Step 3: Cross multiply
    217,782,146.98x = 300,539,406.09 × 118,662,894.35
  4. Step 4: Simplify right side
    217,782,146.98x = 35,662,875,793,965,068
  5. Step 5: Solve for x
    x = 35,662,875,793,965,068/217,782,146.98
  6. Step 6: Final answer
    x = 163,754,817.78

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1.5x scale

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.