Home / 56,959,482.56-78,604,463.34-30,854,000.39

Finding the Fourth Proportional to 56,959,482.56, 78,604,463.34 and 30,854,000.39

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Solution

The fourth proportional to 56,959,482.56, 78,604,463.34 and 30,854,000.39 is: 42,578,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,482.56 : 78,604,463.34 = 30,854,000.39 : x
  2. Step 2: Convert to fraction form
    56,959,482.56/78,604,463.34 = 30,854,000.39/x
  3. Step 3: Cross multiply
    56,959,482.56x = 78,604,463.34 × 30,854,000.39
  4. Step 4: Simplify right side
    56,959,482.56x = 2,425,262,142,155,078.50
  5. Step 5: Solve for x
    x = 2,425,262,142,155,078.50/56,959,482.56
  6. Step 6: Final answer
    x = 42,578,724.97

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Why These Related Problems?

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