Home / 143,755,690.88-215,547,226.34-65,935,112.19

Finding the Fourth Proportional to 143,755,690.88, 215,547,226.34 and 65,935,112.19

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Solution

The fourth proportional to 143,755,690.88, 215,547,226.34 and 65,935,112.19 is: 98,863,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,755,690.88 : 215,547,226.34 = 65,935,112.19 : x
  2. Step 2: Convert to fraction form
    143,755,690.88/215,547,226.34 = 65,935,112.19/x
  3. Step 3: Cross multiply
    143,755,690.88x = 215,547,226.34 × 65,935,112.19
  4. Step 4: Simplify right side
    143,755,690.88x = 14,212,130,550,641,548
  5. Step 5: Solve for x
    x = 14,212,130,550,641,548/143,755,690.88
  6. Step 6: Final answer
    x = 98,863,081.27

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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.