Home / 156,727,550,692.36-216,280,629,983.45-90,736,508,309.47

Finding the Fourth Proportional to 156,727,550,692.36, 216,280,629,983.45 and 90,736,508,309.47

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Solution

The fourth proportional to 156,727,550,692.36, 216,280,629,983.45 and 90,736,508,309.47 is: 125,214,418,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727,550,692.36 : 216,280,629,983.45 = 90,736,508,309.47 : x
  2. Step 2: Convert to fraction form
    156,727,550,692.36/216,280,629,983.45 = 90,736,508,309.47/x
  3. Step 3: Cross multiply
    156,727,550,692.36x = 216,280,629,983.45 × 90,736,508,309.47
  4. Step 4: Simplify right side
    156,727,550,692.36x = 19,624,549,179,669,637,758,976
  5. Step 5: Solve for x
    x = 19,624,549,179,669,637,758,976/156,727,550,692.36
  6. Step 6: Final answer
    x = 125,214,418,862.39

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1.5x scale

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.