Home / 57,564,158.40-86,336,779.63-20,668,410.54

Finding the Fourth Proportional to 57,564,158.40, 86,336,779.63 and 20,668,410.54

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Solution

The fourth proportional to 57,564,158.40, 86,336,779.63 and 20,668,410.54 is: 30,999,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,564,158.40 : 86,336,779.63 = 20,668,410.54 : x
  2. Step 2: Convert to fraction form
    57,564,158.40/86,336,779.63 = 20,668,410.54/x
  3. Step 3: Cross multiply
    57,564,158.40x = 86,336,779.63 × 20,668,410.54
  4. Step 4: Simplify right side
    57,564,158.40x = 1,784,444,006,094,349
  5. Step 5: Solve for x
    x = 1,784,444,006,094,349/57,564,158.40
  6. Step 6: Final answer
    x = 30,999,219.93

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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.