Home / 57,166,505.64-78,890,069.60-31,061,090.16

Finding the Fourth Proportional to 57,166,505.64, 78,890,069.60 and 31,061,090.16

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Solution

The fourth proportional to 57,166,505.64, 78,890,069.60 and 31,061,090.16 is: 42,864,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,166,505.64 : 78,890,069.60 = 31,061,090.16 : x
  2. Step 2: Convert to fraction form
    57,166,505.64/78,890,069.60 = 31,061,090.16/x
  3. Step 3: Cross multiply
    57,166,505.64x = 78,890,069.60 × 31,061,090.16
  4. Step 4: Simplify right side
    57,166,505.64x = 2,450,411,564,574,275
  5. Step 5: Solve for x
    x = 2,450,411,564,574,275/57,166,505.64
  6. Step 6: Final answer
    x = 42,864,462.98

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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.