Home / 143,712,292.03-215,444,088.26-121,994,561.90

Finding the Fourth Proportional to 143,712,292.03, 215,444,088.26 and 121,994,561.90

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Solution

The fourth proportional to 143,712,292.03, 215,444,088.26 and 121,994,561.90 is: 182,886,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,292.03 : 215,444,088.26 = 121,994,561.90 : x
  2. Step 2: Convert to fraction form
    143,712,292.03/215,444,088.26 = 121,994,561.90/x
  3. Step 3: Cross multiply
    143,712,292.03x = 215,444,088.26 × 121,994,561.90
  4. Step 4: Simplify right side
    143,712,292.03x = 26,283,007,161,610,972
  5. Step 5: Solve for x
    x = 26,283,007,161,610,972/143,712,292.03
  6. Step 6: Final answer
    x = 182,886,284.75

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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.