Home / 310,172,930.46-428,031,271.35-169,048,606.86

Finding the Fourth Proportional to 310,172,930.46, 428,031,271.35 and 169,048,606.86

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Solution

The fourth proportional to 310,172,930.46, 428,031,271.35 and 169,048,606.86 is: 233,283,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,172,930.46 : 428,031,271.35 = 169,048,606.86 : x
  2. Step 2: Convert to fraction form
    310,172,930.46/428,031,271.35 = 169,048,606.86/x
  3. Step 3: Cross multiply
    310,172,930.46x = 428,031,271.35 × 169,048,606.86
  4. Step 4: Simplify right side
    310,172,930.46x = 72,358,090,114,232,144
  5. Step 5: Solve for x
    x = 72,358,090,114,232,144/310,172,930.46
  6. Step 6: Final answer
    x = 233,283,059.25

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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.