Home / 236,631,146.61-354,953,950.99-81,182,774.07

Finding the Fourth Proportional to 236,631,146.61, 354,953,950.99 and 81,182,774.07

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Solution

The fourth proportional to 236,631,146.61, 354,953,950.99 and 81,182,774.07 is: 121,776,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631,146.61 : 354,953,950.99 = 81,182,774.07 : x
  2. Step 2: Convert to fraction form
    236,631,146.61/354,953,950.99 = 81,182,774.07/x
  3. Step 3: Cross multiply
    236,631,146.61x = 354,953,950.99 × 81,182,774.07
  4. Step 4: Simplify right side
    236,631,146.61x = 28,816,146,408,729,124
  5. Step 5: Solve for x
    x = 28,816,146,408,729,124/236,631,146.61
  6. Step 6: Final answer
    x = 121,776,641.93

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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.