Home / 120,932,596,428.80-181,398,894,643.20-61,424,809,318.40

Finding the Fourth Proportional to 120,932,596,428.80, 181,398,894,643.20 and 61,424,809,318.40

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Solution

The fourth proportional to 120,932,596,428.80, 181,398,894,643.20 and 61,424,809,318.40 is: 92,137,213,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932,596,428.80 : 181,398,894,643.20 = 61,424,809,318.40 : x
  2. Step 2: Convert to fraction form
    120,932,596,428.80/181,398,894,643.20 = 61,424,809,318.40/x
  3. Step 3: Cross multiply
    120,932,596,428.80x = 181,398,894,643.20 × 61,424,809,318.40
  4. Step 4: Simplify right side
    120,932,596,428.80x = 11,142,392,514,027,091,656,704
  5. Step 5: Solve for x
    x = 11,142,392,514,027,091,656,704/120,932,596,428.80
  6. Step 6: Final answer
    x = 92,137,213,977.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.