Home / 56,634,356.30-84,984,712.05-20,736,193.10

Finding the Fourth Proportional to 56,634,356.30, 84,984,712.05 and 20,736,193.10

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Solution

The fourth proportional to 56,634,356.30, 84,984,712.05 and 20,736,193.10 is: 31,116,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634,356.30 : 84,984,712.05 = 20,736,193.10 : x
  2. Step 2: Convert to fraction form
    56,634,356.30/84,984,712.05 = 20,736,193.10/x
  3. Step 3: Cross multiply
    56,634,356.30x = 84,984,712.05 × 20,736,193.10
  4. Step 4: Simplify right side
    56,634,356.30x = 1,762,259,399,616,697
  5. Step 5: Solve for x
    x = 1,762,259,399,616,697/56,634,356.30
  6. Step 6: Final answer
    x = 31,116,437.35

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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.