Home / 125,140,845,913.42-172,697,640,348.96-68,051,495,333.46

Finding the Fourth Proportional to 125,140,845,913.42, 172,697,640,348.96 and 68,051,495,333.46

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Solution

The fourth proportional to 125,140,845,913.42, 172,697,640,348.96 and 68,051,495,333.46 is: 93,912,843,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,140,845,913.42 : 172,697,640,348.96 = 68,051,495,333.46 : x
  2. Step 2: Convert to fraction form
    125,140,845,913.42/172,697,640,348.96 = 68,051,495,333.46/x
  3. Step 3: Cross multiply
    125,140,845,913.42x = 172,697,640,348.96 × 68,051,495,333.46
  4. Step 4: Simplify right side
    125,140,845,913.42x = 11,752,332,666,306,803,269,632
  5. Step 5: Solve for x
    x = 11,752,332,666,306,803,269,632/125,140,845,913.42
  6. Step 6: Final answer
    x = 93,912,843,408.76

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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.