Home / 113,782,530.28-157,020,841.40-66,767,716.84

Finding the Fourth Proportional to 113,782,530.28, 157,020,841.40 and 66,767,716.84

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Solution

The fourth proportional to 113,782,530.28, 157,020,841.40 and 66,767,716.84 is: 92,140,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,782,530.28 : 157,020,841.40 = 66,767,716.84 : x
  2. Step 2: Convert to fraction form
    113,782,530.28/157,020,841.40 = 66,767,716.84/x
  3. Step 3: Cross multiply
    113,782,530.28x = 157,020,841.40 × 66,767,716.84
  4. Step 4: Simplify right side
    113,782,530.28x = 10,483,923,076,573,750
  5. Step 5: Solve for x
    x = 10,483,923,076,573,750/113,782,530.28
  6. Step 6: Final answer
    x = 92,140,006.47

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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.