Home / 118,786,043,899.77-163,927,847,369.47-64,595,761,916.52

Finding the Fourth Proportional to 118,786,043,899.77, 163,927,847,369.47 and 64,595,761,916.52

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Solution

The fourth proportional to 118,786,043,899.77, 163,927,847,369.47 and 64,595,761,916.52 is: 89,143,840,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786,043,899.77 : 163,927,847,369.47 = 64,595,761,916.52 : x
  2. Step 2: Convert to fraction form
    118,786,043,899.77/163,927,847,369.47 = 64,595,761,916.52/x
  3. Step 3: Cross multiply
    118,786,043,899.77x = 163,927,847,369.47 × 64,595,761,916.52
  4. Step 4: Simplify right side
    118,786,043,899.77x = 10,589,044,200,165,913,657,344
  5. Step 5: Solve for x
    x = 10,589,044,200,165,913,657,344/118,786,043,899.77
  6. Step 6: Final answer
    x = 89,143,840,913.68

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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.