Home / 313,152,043.20-469,728,064.80-97,713,297.60

Finding the Fourth Proportional to 313,152,043.20, 469,728,064.80 and 97,713,297.60

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Solution

The fourth proportional to 313,152,043.20, 469,728,064.80 and 97,713,297.60 is: 146,569,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,152,043.20 : 469,728,064.80 = 97,713,297.60 : x
  2. Step 2: Convert to fraction form
    313,152,043.20/469,728,064.80 = 97,713,297.60/x
  3. Step 3: Cross multiply
    313,152,043.20x = 469,728,064.80 × 97,713,297.60
  4. Step 4: Simplify right side
    313,152,043.20x = 45,898,678,186,874,480
  5. Step 5: Solve for x
    x = 45,898,678,186,874,480/313,152,043.20
  6. Step 6: Final answer
    x = 146,569,946.40

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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.