Home / 113,869,003.15-157,139,438.14-63,633,222.11

Finding the Fourth Proportional to 113,869,003.15, 157,139,438.14 and 63,633,222.11

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Solution

The fourth proportional to 113,869,003.15, 157,139,438.14 and 63,633,222.11 is: 87,813,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,869,003.15 : 157,139,438.14 = 63,633,222.11 : x
  2. Step 2: Convert to fraction form
    113,869,003.15/157,139,438.14 = 63,633,222.11/x
  3. Step 3: Cross multiply
    113,869,003.15x = 157,139,438.14 × 63,633,222.11
  4. Step 4: Simplify right side
    113,869,003.15x = 9,999,288,769,254,458
  5. Step 5: Solve for x
    x = 9,999,288,769,254,458/113,869,003.15
  6. Step 6: Final answer
    x = 87,813,965.98

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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.