Home / 110,779,298.75-166,020,414.51-86,216,884.40

Finding the Fourth Proportional to 110,779,298.75, 166,020,414.51 and 86,216,884.40

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Solution

The fourth proportional to 110,779,298.75, 166,020,414.51 and 86,216,884.40 is: 129,209,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,298.75 : 166,020,414.51 = 86,216,884.40 : x
  2. Step 2: Convert to fraction form
    110,779,298.75/166,020,414.51 = 86,216,884.40/x
  3. Step 3: Cross multiply
    110,779,298.75x = 166,020,414.51 × 86,216,884.40
  4. Step 4: Simplify right side
    110,779,298.75x = 14,313,762,885,848,752
  5. Step 5: Solve for x
    x = 14,313,762,885,848,752/110,779,298.75
  6. Step 6: Final answer
    x = 129,209,726.43

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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.