Home / 163,747,337.70-245,621,006.55-139,088,475.30

Finding the Fourth Proportional to 163,747,337.70, 245,621,006.55 and 139,088,475.30

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Solution

The fourth proportional to 163,747,337.70, 245,621,006.55 and 139,088,475.30 is: 208,632,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747,337.70 : 245,621,006.55 = 139,088,475.30 : x
  2. Step 2: Convert to fraction form
    163,747,337.70/245,621,006.55 = 139,088,475.30/x
  3. Step 3: Cross multiply
    163,747,337.70x = 245,621,006.55 × 139,088,475.30
  4. Step 4: Simplify right side
    163,747,337.70x = 34,163,051,302,690,816
  5. Step 5: Solve for x
    x = 34,163,051,302,690,816/163,747,337.70
  6. Step 6: Final answer
    x = 208,632,712.95

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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.