Home / 142,833,787,398.08-197,110,658,784-78,604,511,706.36

Finding the Fourth Proportional to 142,833,787,398.08, 197,110,658,784 and 78,604,511,706.36

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Solution

The fourth proportional to 142,833,787,398.08, 197,110,658,784 and 78,604,511,706.36 is: 108,474,243,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,787,398.08 : 197,110,658,784 = 78,604,511,706.36 : x
  2. Step 2: Convert to fraction form
    142,833,787,398.08/197,110,658,784 = 78,604,511,706.36/x
  3. Step 3: Cross multiply
    142,833,787,398.08x = 197,110,658,784 × 78,604,511,706.36
  4. Step 4: Simplify right side
    142,833,787,398.08x = 15,493,787,085,835,260,133,376
  5. Step 5: Solve for x
    x = 15,493,787,085,835,260,133,376/142,833,787,398.08
  6. Step 6: Final answer
    x = 108,474,243,861.18

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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.