Home / 152,393,403.77-210,302,737.17-82,778,839.10

Finding the Fourth Proportional to 152,393,403.77, 210,302,737.17 and 82,778,839.10

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Solution

The fourth proportional to 152,393,403.77, 210,302,737.17 and 82,778,839.10 is: 114,234,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,393,403.77 : 210,302,737.17 = 82,778,839.10 : x
  2. Step 2: Convert to fraction form
    152,393,403.77/210,302,737.17 = 82,778,839.10/x
  3. Step 3: Cross multiply
    152,393,403.77x = 210,302,737.17 × 82,778,839.10
  4. Step 4: Simplify right side
    152,393,403.77x = 17,408,616,442,700,356
  5. Step 5: Solve for x
    x = 17,408,616,442,700,356/152,393,403.77
  6. Step 6: Final answer
    x = 114,234,711.03

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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.