Home / 343,709,721.24-474,359,804.40-193,027,140.72

Finding the Fourth Proportional to 343,709,721.24, 474,359,804.40 and 193,027,140.72

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Solution

The fourth proportional to 343,709,721.24, 474,359,804.40 and 193,027,140.72 is: 266,400,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,709,721.24 : 474,359,804.40 = 193,027,140.72 : x
  2. Step 2: Convert to fraction form
    343,709,721.24/474,359,804.40 = 193,027,140.72/x
  3. Step 3: Cross multiply
    343,709,721.24x = 474,359,804.40 × 193,027,140.72
  4. Step 4: Simplify right side
    343,709,721.24x = 91,564,316,715,830,464
  5. Step 5: Solve for x
    x = 91,564,316,715,830,464/343,709,721.24
  6. Step 6: Final answer
    x = 266,400,136.68

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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.