Home / 243,548,285.98-336,145,461.56-144,484,020.36

Finding the Fourth Proportional to 243,548,285.98, 336,145,461.56 and 144,484,020.36

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Solution

The fourth proportional to 243,548,285.98, 336,145,461.56 and 144,484,020.36 is: 199,416,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,548,285.98 : 336,145,461.56 = 144,484,020.36 : x
  2. Step 2: Convert to fraction form
    243,548,285.98/336,145,461.56 = 144,484,020.36/x
  3. Step 3: Cross multiply
    243,548,285.98x = 336,145,461.56 × 144,484,020.36
  4. Step 4: Simplify right side
    243,548,285.98x = 48,567,647,711,956,640
  5. Step 5: Solve for x
    x = 48,567,647,711,956,640/243,548,285.98
  6. Step 6: Final answer
    x = 199,416,914.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.