Home / 145,025,111.20-217,537,666.80-49,286,999.20

Finding the Fourth Proportional to 145,025,111.20, 217,537,666.80 and 49,286,999.20

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Solution

The fourth proportional to 145,025,111.20, 217,537,666.80 and 49,286,999.20 is: 73,930,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,025,111.20 : 217,537,666.80 = 49,286,999.20 : x
  2. Step 2: Convert to fraction form
    145,025,111.20/217,537,666.80 = 49,286,999.20/x
  3. Step 3: Cross multiply
    145,025,111.20x = 217,537,666.80 × 49,286,999.20
  4. Step 4: Simplify right side
    145,025,111.20x = 10,721,778,809,541,468
  5. Step 5: Solve for x
    x = 10,721,778,809,541,468/145,025,111.20
  6. Step 6: Final answer
    x = 73,930,498.80

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1.5x scale

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.