Home / 99,892,278,138.94-149,778,579,370.02-31,793,925,493.12

Finding the Fourth Proportional to 99,892,278,138.94, 149,778,579,370.02 and 31,793,925,493.12

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Solution

The fourth proportional to 99,892,278,138.94, 149,778,579,370.02 and 31,793,925,493.12 is: 47,671,842,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,892,278,138.94 : 149,778,579,370.02 = 31,793,925,493.12 : x
  2. Step 2: Convert to fraction form
    99,892,278,138.94/149,778,579,370.02 = 31,793,925,493.12/x
  3. Step 3: Cross multiply
    99,892,278,138.94x = 149,778,579,370.02 × 31,793,925,493.12
  4. Step 4: Simplify right side
    99,892,278,138.94x = 4,762,048,992,955,776,106,496
  5. Step 5: Solve for x
    x = 4,762,048,992,955,776,106,496/99,892,278,138.94
  6. Step 6: Final answer
    x = 47,671,842,925.96

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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.