Home / 79,015,454,712.98-109,041,408,204.34-42,886,494,585.17

Finding the Fourth Proportional to 79,015,454,712.98, 109,041,408,204.34 and 42,886,494,585.17

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Solution

The fourth proportional to 79,015,454,712.98, 109,041,408,204.34 and 42,886,494,585.17 is: 59,183,406,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015,454,712.98 : 109,041,408,204.34 = 42,886,494,585.17 : x
  2. Step 2: Convert to fraction form
    79,015,454,712.98/109,041,408,204.34 = 42,886,494,585.17/x
  3. Step 3: Cross multiply
    79,015,454,712.98x = 109,041,408,204.34 × 42,886,494,585.17
  4. Step 4: Simplify right side
    79,015,454,712.98x = 4,676,403,762,514,193,547,264
  5. Step 5: Solve for x
    x = 4,676,403,762,514,193,547,264/79,015,454,712.98
  6. Step 6: Final answer
    x = 59,183,406,328.56

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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.