Home / 147,410,506.50-203,425,926.57-81,335,117.22

Finding the Fourth Proportional to 147,410,506.50, 203,425,926.57 and 81,335,117.22

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Solution

The fourth proportional to 147,410,506.50, 203,425,926.57 and 81,335,117.22 is: 112,242,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410,506.50 : 203,425,926.57 = 81,335,117.22 : x
  2. Step 2: Convert to fraction form
    147,410,506.50/203,425,926.57 = 81,335,117.22/x
  3. Step 3: Cross multiply
    147,410,506.50x = 203,425,926.57 × 81,335,117.22
  4. Step 4: Simplify right side
    147,410,506.50x = 16,545,671,583,158,062
  5. Step 5: Solve for x
    x = 16,545,671,583,158,062/147,410,506.50
  6. Step 6: Final answer
    x = 112,242,145.94

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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.