Home / 57,069,088.52-85,585,650.72-18,721,666.76

Finding the Fourth Proportional to 57,069,088.52, 85,585,650.72 and 18,721,666.76

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Solution

The fourth proportional to 57,069,088.52, 85,585,650.72 and 18,721,666.76 is: 28,076,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,088.52 : 85,585,650.72 = 18,721,666.76 : x
  2. Step 2: Convert to fraction form
    57,069,088.52/85,585,650.72 = 18,721,666.76/x
  3. Step 3: Cross multiply
    57,069,088.52x = 85,585,650.72 × 18,721,666.76
  4. Step 4: Simplify right side
    57,069,088.52x = 1,602,306,032,217,594.25
  5. Step 5: Solve for x
    x = 1,602,306,032,217,594.25/57,069,088.52
  6. Step 6: Final answer
    x = 28,076,601.08

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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.