Home / 434,628,051.30-651,718,128.15-161,858,412.90

Finding the Fourth Proportional to 434,628,051.30, 651,718,128.15 and 161,858,412.90

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Solution

The fourth proportional to 434,628,051.30, 651,718,128.15 and 161,858,412.90 is: 242,704,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628,051.30 : 651,718,128.15 = 161,858,412.90 : x
  2. Step 2: Convert to fraction form
    434,628,051.30/651,718,128.15 = 161,858,412.90/x
  3. Step 3: Cross multiply
    434,628,051.30x = 651,718,128.15 × 161,858,412.90
  4. Step 4: Simplify right side
    434,628,051.30x = 105,486,061,880,517,808
  5. Step 5: Solve for x
    x = 105,486,061,880,517,808/434,628,051.30
  6. Step 6: Final answer
    x = 242,704,219.31

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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.