Home / 89,932,137.84-124,054,545.80-54,143,663.42

Finding the Fourth Proportional to 89,932,137.84, 124,054,545.80 and 54,143,663.42

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Solution

The fourth proportional to 89,932,137.84, 124,054,545.80 and 54,143,663.42 is: 74,687,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932,137.84 : 124,054,545.80 = 54,143,663.42 : x
  2. Step 2: Convert to fraction form
    89,932,137.84/124,054,545.80 = 54,143,663.42/x
  3. Step 3: Cross multiply
    89,932,137.84x = 124,054,545.80 × 54,143,663.42
  4. Step 4: Simplify right side
    89,932,137.84x = 6,716,767,573,961,670
  5. Step 5: Solve for x
    x = 6,716,767,573,961,670/89,932,137.84
  6. Step 6: Final answer
    x = 74,687,066.66

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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.