Home / 57,009,733.16-85,521,325.64-42,723,602.55

Finding the Fourth Proportional to 57,009,733.16, 85,521,325.64 and 42,723,602.55

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Solution

The fourth proportional to 57,009,733.16, 85,521,325.64 and 42,723,602.55 is: 64,090,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009,733.16 : 85,521,325.64 = 42,723,602.55 : x
  2. Step 2: Convert to fraction form
    57,009,733.16/85,521,325.64 = 42,723,602.55/x
  3. Step 3: Cross multiply
    57,009,733.16x = 85,521,325.64 × 42,723,602.55
  4. Step 4: Simplify right side
    57,009,733.16x = 3,653,779,125,978,866.50
  5. Step 5: Solve for x
    x = 3,653,779,125,978,866.50/57,009,733.16
  6. Step 6: Final answer
    x = 64,090,444.28

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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.