Home / 57,237,052.51-78,979,963.38-38,692,541.84

Finding the Fourth Proportional to 57,237,052.51, 78,979,963.38 and 38,692,541.84

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Solution

The fourth proportional to 57,237,052.51, 78,979,963.38 and 38,692,541.84 is: 53,390,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237,052.51 : 78,979,963.38 = 38,692,541.84 : x
  2. Step 2: Convert to fraction form
    57,237,052.51/78,979,963.38 = 38,692,541.84/x
  3. Step 3: Cross multiply
    57,237,052.51x = 78,979,963.38 × 38,692,541.84
  4. Step 4: Simplify right side
    57,237,052.51x = 3,055,935,537,062,321
  5. Step 5: Solve for x
    x = 3,055,935,537,062,321/57,237,052.51
  6. Step 6: Final answer
    x = 53,390,861.39

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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.