Home / 124,547,861.84-171,876,042.77-67,261,549.68

Finding the Fourth Proportional to 124,547,861.84, 171,876,042.77 and 67,261,549.68

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Solution

The fourth proportional to 124,547,861.84, 171,876,042.77 and 67,261,549.68 is: 92,820,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547,861.84 : 171,876,042.77 = 67,261,549.68 : x
  2. Step 2: Convert to fraction form
    124,547,861.84/171,876,042.77 = 67,261,549.68/x
  3. Step 3: Cross multiply
    124,547,861.84x = 171,876,042.77 × 67,261,549.68
  4. Step 4: Simplify right side
    124,547,861.84x = 11,560,648,989,239,852
  5. Step 5: Solve for x
    x = 11,560,648,989,239,852/124,547,861.84
  6. Step 6: Final answer
    x = 92,820,935.01

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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.