Home / 260,808,533.80-391,464,743.10-158,771,861.80

Finding the Fourth Proportional to 260,808,533.80, 391,464,743.10 and 158,771,861.80

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Solution

The fourth proportional to 260,808,533.80, 391,464,743.10 and 158,771,861.80 is: 238,311,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,808,533.80 : 391,464,743.10 = 158,771,861.80 : x
  2. Step 2: Convert to fraction form
    260,808,533.80/391,464,743.10 = 158,771,861.80/x
  3. Step 3: Cross multiply
    260,808,533.80x = 391,464,743.10 × 158,771,861.80
  4. Step 4: Simplify right side
    260,808,533.80x = 62,153,586,091,045,712
  5. Step 5: Solve for x
    x = 62,153,586,091,045,712/260,808,533.80
  6. Step 6: Final answer
    x = 238,311,167.14

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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.