Home / 55,925,903.72-77,180,141.58-31,146,090.47

Finding the Fourth Proportional to 55,925,903.72, 77,180,141.58 and 31,146,090.47

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Solution

The fourth proportional to 55,925,903.72, 77,180,141.58 and 31,146,090.47 is: 42,982,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,903.72 : 77,180,141.58 = 31,146,090.47 : x
  2. Step 2: Convert to fraction form
    55,925,903.72/77,180,141.58 = 31,146,090.47/x
  3. Step 3: Cross multiply
    55,925,903.72x = 77,180,141.58 × 31,146,090.47
  4. Step 4: Simplify right side
    55,925,903.72x = 2,403,859,672,138,088.50
  5. Step 5: Solve for x
    x = 2,403,859,672,138,088.50/55,925,903.72
  6. Step 6: Final answer
    x = 42,982,938.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.