Home / 56,670,461.70-85,005,692.55-45,333,053.70

Finding the Fourth Proportional to 56,670,461.70, 85,005,692.55 and 45,333,053.70

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Solution

The fourth proportional to 56,670,461.70, 85,005,692.55 and 45,333,053.70 is: 67,999,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670,461.70 : 85,005,692.55 = 45,333,053.70 : x
  2. Step 2: Convert to fraction form
    56,670,461.70/85,005,692.55 = 45,333,053.70/x
  3. Step 3: Cross multiply
    56,670,461.70x = 85,005,692.55 × 45,333,053.70
  4. Step 4: Simplify right side
    56,670,461.70x = 3,853,567,625,174,840
  5. Step 5: Solve for x
    x = 3,853,567,625,174,840/56,670,461.70
  6. Step 6: Final answer
    x = 67,999,580.55

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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.