Home / 245,145,945.09-367,827,223.14-128,533,421.10

Finding the Fourth Proportional to 245,145,945.09, 367,827,223.14 and 128,533,421.10

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Solution

The fourth proportional to 245,145,945.09, 367,827,223.14 and 128,533,421.10 is: 192,856,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,145,945.09 : 367,827,223.14 = 128,533,421.10 : x
  2. Step 2: Convert to fraction form
    245,145,945.09/367,827,223.14 = 128,533,421.10/x
  3. Step 3: Cross multiply
    245,145,945.09x = 367,827,223.14 × 128,533,421.10
  4. Step 4: Simplify right side
    245,145,945.09x = 47,278,091,363,897,280
  5. Step 5: Solve for x
    x = 47,278,091,363,897,280/245,145,945.09
  6. Step 6: Final answer
    x = 192,856,917.73

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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.