Home / 217,671,258.75-300,386,337.12-119,886,114.75

Finding the Fourth Proportional to 217,671,258.75, 300,386,337.12 and 119,886,114.75

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Solution

The fourth proportional to 217,671,258.75, 300,386,337.12 and 119,886,114.75 is: 165,442,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,671,258.75 : 300,386,337.12 = 119,886,114.75 : x
  2. Step 2: Convert to fraction form
    217,671,258.75/300,386,337.12 = 119,886,114.75/x
  3. Step 3: Cross multiply
    217,671,258.75x = 300,386,337.12 × 119,886,114.75
  4. Step 4: Simplify right side
    217,671,258.75x = 36,012,150,881,300,504
  5. Step 5: Solve for x
    x = 36,012,150,881,300,504/217,671,258.75
  6. Step 6: Final answer
    x = 165,442,838.38

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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.