Home / 434,628,139.80-651,718,260.90-161,858,501.40

Finding the Fourth Proportional to 434,628,139.80, 651,718,260.90 and 161,858,501.40

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Solution

The fourth proportional to 434,628,139.80, 651,718,260.90 and 161,858,501.40 is: 242,704,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628,139.80 : 651,718,260.90 = 161,858,501.40 : x
  2. Step 2: Convert to fraction form
    434,628,139.80/651,718,260.90 = 161,858,501.40/x
  3. Step 3: Cross multiply
    434,628,139.80x = 651,718,260.90 × 161,858,501.40
  4. Step 4: Simplify right side
    434,628,139.80x = 105,486,141,044,288,208
  5. Step 5: Solve for x
    x = 105,486,141,044,288,208/434,628,139.80
  6. Step 6: Final answer
    x = 242,704,352.03

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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.