Home / 161,784,002.80-242,676,004.20-154,225,730.80

Finding the Fourth Proportional to 161,784,002.80, 242,676,004.20 and 154,225,730.80

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Solution

The fourth proportional to 161,784,002.80, 242,676,004.20 and 154,225,730.80 is: 231,338,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,784,002.80 : 242,676,004.20 = 154,225,730.80 : x
  2. Step 2: Convert to fraction form
    161,784,002.80/242,676,004.20 = 154,225,730.80/x
  3. Step 3: Cross multiply
    161,784,002.80x = 242,676,004.20 × 154,225,730.80
  4. Step 4: Simplify right side
    161,784,002.80x = 37,426,884,095,368,872
  5. Step 5: Solve for x
    x = 37,426,884,095,368,872/161,784,002.80
  6. Step 6: Final answer
    x = 231,338,596.20

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1.5x scale

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.