Home / 343,096,574.40-514,740,938.40-138,768,177.60

Finding the Fourth Proportional to 343,096,574.40, 514,740,938.40 and 138,768,177.60

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Solution

The fourth proportional to 343,096,574.40, 514,740,938.40 and 138,768,177.60 is: 208,191,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,096,574.40 : 514,740,938.40 = 138,768,177.60 : x
  2. Step 2: Convert to fraction form
    343,096,574.40/514,740,938.40 = 138,768,177.60/x
  3. Step 3: Cross multiply
    343,096,574.40x = 514,740,938.40 × 138,768,177.60
  4. Step 4: Simplify right side
    343,096,574.40x = 71,429,661,957,881,856
  5. Step 5: Solve for x
    x = 71,429,661,957,881,856/343,096,574.40
  6. Step 6: Final answer
    x = 208,191,125.44

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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.