Home / 434,601,766.80-651,678,701.40-161,832,128.40

Finding the Fourth Proportional to 434,601,766.80, 651,678,701.40 and 161,832,128.40

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Solution

The fourth proportional to 434,601,766.80, 651,678,701.40 and 161,832,128.40 is: 242,664,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,601,766.80 : 651,678,701.40 = 161,832,128.40 : x
  2. Step 2: Convert to fraction form
    434,601,766.80/651,678,701.40 = 161,832,128.40/x
  3. Step 3: Cross multiply
    434,601,766.80x = 651,678,701.40 × 161,832,128.40
  4. Step 4: Simplify right side
    434,601,766.80x = 105,462,551,280,510,064
  5. Step 5: Solve for x
    x = 105,462,551,280,510,064/434,601,766.80
  6. Step 6: Final answer
    x = 242,664,801.06

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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.