Home / 139,152,883.37-192,031,323.28-77,273,220.11

Finding the Fourth Proportional to 139,152,883.37, 192,031,323.28 and 77,273,220.11

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Solution

The fourth proportional to 139,152,883.37, 192,031,323.28 and 77,273,220.11 is: 106,637,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,152,883.37 : 192,031,323.28 = 77,273,220.11 : x
  2. Step 2: Convert to fraction form
    139,152,883.37/192,031,323.28 = 77,273,220.11/x
  3. Step 3: Cross multiply
    139,152,883.37x = 192,031,323.28 × 77,273,220.11
  4. Step 4: Simplify right side
    139,152,883.37x = 14,838,878,710,676,668
  5. Step 5: Solve for x
    x = 14,838,878,710,676,668/139,152,883.37
  6. Step 6: Final answer
    x = 106,637,234.90

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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.