Home / 85,746,002.35-128,553,918.40-44,202,111.20

Finding the Fourth Proportional to 85,746,002.35, 128,553,918.40 and 44,202,111.20

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Solution

The fourth proportional to 85,746,002.35, 128,553,918.40 and 44,202,111.20 is: 66,269,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,746,002.35 : 128,553,918.40 = 44,202,111.20 : x
  2. Step 2: Convert to fraction form
    85,746,002.35/128,553,918.40 = 44,202,111.20/x
  3. Step 3: Cross multiply
    85,746,002.35x = 128,553,918.40 × 44,202,111.20
  4. Step 4: Simplify right side
    85,746,002.35x = 5,682,354,596,091,516
  5. Step 5: Solve for x
    x = 5,682,354,596,091,516/85,746,002.35
  6. Step 6: Final answer
    x = 66,269,615.38

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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.