Home / 133,265,084.60-199,983,943.01-71,896,602.98

Finding the Fourth Proportional to 133,265,084.60, 199,983,943.01 and 71,896,602.98

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Solution

The fourth proportional to 133,265,084.60, 199,983,943.01 and 71,896,602.98 is: 107,891,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265,084.60 : 199,983,943.01 = 71,896,602.98 : x
  2. Step 2: Convert to fraction form
    133,265,084.60/199,983,943.01 = 71,896,602.98/x
  3. Step 3: Cross multiply
    133,265,084.60x = 199,983,943.01 × 71,896,602.98
  4. Step 4: Simplify right side
    133,265,084.60x = 14,378,166,153,644,618
  5. Step 5: Solve for x
    x = 14,378,166,153,644,618/133,265,084.60
  6. Step 6: Final answer
    x = 107,891,472.07

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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.