Home / 302,177,703.60-453,266,555.40-148,792,021.20

Finding the Fourth Proportional to 302,177,703.60, 453,266,555.40 and 148,792,021.20

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Solution

The fourth proportional to 302,177,703.60, 453,266,555.40 and 148,792,021.20 is: 223,188,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,177,703.60 : 453,266,555.40 = 148,792,021.20 : x
  2. Step 2: Convert to fraction form
    302,177,703.60/453,266,555.40 = 148,792,021.20/x
  3. Step 3: Cross multiply
    302,177,703.60x = 453,266,555.40 × 148,792,021.20
  4. Step 4: Simplify right side
    302,177,703.60x = 67,442,446,920,327,768
  5. Step 5: Solve for x
    x = 67,442,446,920,327,768/302,177,703.60
  6. Step 6: Final answer
    x = 223,188,031.80

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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.