Home / 139,923,785.61-193,095,495-77,199,880.28

Finding the Fourth Proportional to 139,923,785.61, 193,095,495 and 77,199,880.28

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Solution

The fourth proportional to 139,923,785.61, 193,095,495 and 77,199,880.28 is: 106,536,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,923,785.61 : 193,095,495 = 77,199,880.28 : x
  2. Step 2: Convert to fraction form
    139,923,785.61/193,095,495 = 77,199,880.28/x
  3. Step 3: Cross multiply
    139,923,785.61x = 193,095,495 × 77,199,880.28
  4. Step 4: Simplify right side
    139,923,785.61x = 14,906,949,095,641,862
  5. Step 5: Solve for x
    x = 14,906,949,095,641,862/139,923,785.61
  6. Step 6: Final answer
    x = 106,536,204.91

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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.