Home / 149,798,219,692.79-206,736,950,818.95-91,141,205,920.44

Finding the Fourth Proportional to 149,798,219,692.79, 206,736,950,818.95 and 91,141,205,920.44

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Solution

The fourth proportional to 149,798,219,692.79, 206,736,950,818.95 and 91,141,205,920.44 is: 125,784,238,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,798,219,692.79 : 206,736,950,818.95 = 91,141,205,920.44 : x
  2. Step 2: Convert to fraction form
    149,798,219,692.79/206,736,950,818.95 = 91,141,205,920.44/x
  3. Step 3: Cross multiply
    149,798,219,692.79x = 206,736,950,818.95 × 91,141,205,920.44
  4. Step 4: Simplify right side
    149,798,219,692.79x = 18,842,255,005,953,799,749,632
  5. Step 5: Solve for x
    x = 18,842,255,005,953,799,749,632/149,798,219,692.79
  6. Step 6: Final answer
    x = 125,784,238,588.39

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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.