Home / 153,609,673.70-230,679,931.35-81,946,057.70

Finding the Fourth Proportional to 153,609,673.70, 230,679,931.35 and 81,946,057.70

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Solution

The fourth proportional to 153,609,673.70, 230,679,931.35 and 81,946,057.70 is: 123,060,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,609,673.70 : 230,679,931.35 = 81,946,057.70 : x
  2. Step 2: Convert to fraction form
    153,609,673.70/230,679,931.35 = 81,946,057.70/x
  3. Step 3: Cross multiply
    153,609,673.70x = 230,679,931.35 × 81,946,057.70
  4. Step 4: Simplify right side
    153,609,673.70x = 18,903,310,964,639,140
  5. Step 5: Solve for x
    x = 18,903,310,964,639,140/153,609,673.70
  6. Step 6: Final answer
    x = 123,060,680.42

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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.