Home / 136,142,600.91-187,877,988.32-74,263,214.67

Finding the Fourth Proportional to 136,142,600.91, 187,877,988.32 and 74,263,214.67

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Solution

The fourth proportional to 136,142,600.91, 187,877,988.32 and 74,263,214.67 is: 102,483,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,142,600.91 : 187,877,988.32 = 74,263,214.67 : x
  2. Step 2: Convert to fraction form
    136,142,600.91/187,877,988.32 = 74,263,214.67/x
  3. Step 3: Cross multiply
    136,142,600.91x = 187,877,988.32 × 74,263,214.67
  4. Step 4: Simplify right side
    136,142,600.91x = 13,952,423,378,004,596
  5. Step 5: Solve for x
    x = 13,952,423,378,004,596/136,142,600.91
  6. Step 6: Final answer
    x = 102,483,890.31

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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.