Home / 154,341,993,815.71-212,997,699,651.12-92,552,623,387.90

Finding the Fourth Proportional to 154,341,993,815.71, 212,997,699,651.12 and 92,552,623,387.90

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Solution

The fourth proportional to 154,341,993,815.71, 212,997,699,651.12 and 92,552,623,387.90 is: 127,726,067,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,341,993,815.71 : 212,997,699,651.12 = 92,552,623,387.90 : x
  2. Step 2: Convert to fraction form
    154,341,993,815.71/212,997,699,651.12 = 92,552,623,387.90/x
  3. Step 3: Cross multiply
    154,341,993,815.71x = 212,997,699,651.12 × 92,552,623,387.90
  4. Step 4: Simplify right side
    154,341,993,815.71x = 19,713,495,878,298,293,501,952
  5. Step 5: Solve for x
    x = 19,713,495,878,298,293,501,952/154,341,993,815.71
  6. Step 6: Final answer
    x = 127,726,067,228.58

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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.