Home / 113,372,057.16-156,399,554.70-66,931,199.64

Finding the Fourth Proportional to 113,372,057.16, 156,399,554.70 and 66,931,199.64

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Solution

The fourth proportional to 113,372,057.16, 156,399,554.70 and 66,931,199.64 is: 92,333,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,372,057.16 : 156,399,554.70 = 66,931,199.64 : x
  2. Step 2: Convert to fraction form
    113,372,057.16/156,399,554.70 = 66,931,199.64/x
  3. Step 3: Cross multiply
    113,372,057.16x = 156,399,554.70 × 66,931,199.64
  4. Step 4: Simplify right side
    113,372,057.16x = 10,468,009,819,232,800
  5. Step 5: Solve for x
    x = 10,468,009,819,232,800/113,372,057.16
  6. Step 6: Final answer
    x = 92,333,244.02

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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.