Home / 434,626,193.80-651,715,341.90-161,856,555.40

Finding the Fourth Proportional to 434,626,193.80, 651,715,341.90 and 161,856,555.40

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Solution

The fourth proportional to 434,626,193.80, 651,715,341.90 and 161,856,555.40 is: 242,701,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,626,193.80 : 651,715,341.90 = 161,856,555.40 : x
  2. Step 2: Convert to fraction form
    434,626,193.80/651,715,341.90 = 161,856,555.40/x
  3. Step 3: Cross multiply
    434,626,193.80x = 651,715,341.90 × 161,856,555.40
  4. Step 4: Simplify right side
    434,626,193.80x = 105,484,400,341,267,296
  5. Step 5: Solve for x
    x = 105,484,400,341,267,296/434,626,193.80
  6. Step 6: Final answer
    x = 242,701,433.66

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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.