Home / 96,805,393.40-145,208,090.10-74,886,404.60

Finding the Fourth Proportional to 96,805,393.40, 145,208,090.10 and 74,886,404.60

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Solution

The fourth proportional to 96,805,393.40, 145,208,090.10 and 74,886,404.60 is: 112,329,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,805,393.40 : 145,208,090.10 = 74,886,404.60 : x
  2. Step 2: Convert to fraction form
    96,805,393.40/145,208,090.10 = 74,886,404.60/x
  3. Step 3: Cross multiply
    96,805,393.40x = 145,208,090.10 × 74,886,404.60
  4. Step 4: Simplify right side
    96,805,393.40x = 10,874,111,786,421,854
  5. Step 5: Solve for x
    x = 10,874,111,786,421,854/96,805,393.40
  6. Step 6: Final answer
    x = 112,329,606.90

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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.