Home / 58,152,344,943.79-80,250,236,176.88-31,420,331,202.78

Finding the Fourth Proportional to 58,152,344,943.79, 80,250,236,176.88 and 31,420,331,202.78

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Solution

The fourth proportional to 58,152,344,943.79, 80,250,236,176.88 and 31,420,331,202.78 is: 43,360,057,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,152,344,943.79 : 80,250,236,176.88 = 31,420,331,202.78 : x
  2. Step 2: Convert to fraction form
    58,152,344,943.79/80,250,236,176.88 = 31,420,331,202.78/x
  3. Step 3: Cross multiply
    58,152,344,943.79x = 80,250,236,176.88 × 31,420,331,202.78
  4. Step 4: Simplify right side
    58,152,344,943.79x = 2,521,488,999,778,886,877,184
  5. Step 5: Solve for x
    x = 2,521,488,999,778,886,877,184/58,152,344,943.79
  6. Step 6: Final answer
    x = 43,360,057,143.29

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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.