Home / 57,069,038.63-85,585,575.94-18,721,616.87

Finding the Fourth Proportional to 57,069,038.63, 85,585,575.94 and 18,721,616.87

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Solution

The fourth proportional to 57,069,038.63, 85,585,575.94 and 18,721,616.87 is: 28,076,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,038.63 : 85,585,575.94 = 18,721,616.87 : x
  2. Step 2: Convert to fraction form
    57,069,038.63/85,585,575.94 = 18,721,616.87/x
  3. Step 3: Cross multiply
    57,069,038.63x = 85,585,575.94 × 18,721,616.87
  4. Step 4: Simplify right side
    57,069,038.63x = 1,602,300,361,872,238
  5. Step 5: Solve for x
    x = 1,602,300,361,872,238/57,069,038.63
  6. Step 6: Final answer
    x = 28,076,526.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.