Home / 168,931,809.09-233,127,761.18-93,579,291.16

Finding the Fourth Proportional to 168,931,809.09, 233,127,761.18 and 93,579,291.16

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Solution

The fourth proportional to 168,931,809.09, 233,127,761.18 and 93,579,291.16 is: 129,140,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,931,809.09 : 233,127,761.18 = 93,579,291.16 : x
  2. Step 2: Convert to fraction form
    168,931,809.09/233,127,761.18 = 93,579,291.16/x
  3. Step 3: Cross multiply
    168,931,809.09x = 233,127,761.18 × 93,579,291.16
  4. Step 4: Simplify right side
    168,931,809.09x = 21,815,930,639,891,452
  5. Step 5: Solve for x
    x = 21,815,930,639,891,452/168,931,809.09
  6. Step 6: Final answer
    x = 129,140,454.70

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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.