Home / 70,718,751.15-97,586,600.86-39,772,941.72

Finding the Fourth Proportional to 70,718,751.15, 97,586,600.86 and 39,772,941.72

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Solution

The fourth proportional to 70,718,751.15, 97,586,600.86 and 39,772,941.72 is: 54,883,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718,751.15 : 97,586,600.86 = 39,772,941.72 : x
  2. Step 2: Convert to fraction form
    70,718,751.15/97,586,600.86 = 39,772,941.72/x
  3. Step 3: Cross multiply
    70,718,751.15x = 97,586,600.86 × 39,772,941.72
  4. Step 4: Simplify right side
    70,718,751.15x = 3,881,306,187,970,884.50
  5. Step 5: Solve for x
    x = 3,881,306,187,970,884.50/70,718,751.15
  6. Step 6: Final answer
    x = 54,883,692.45

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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.