Home / 74,854,837.80-112,282,256.70-73,847,068.20

Finding the Fourth Proportional to 74,854,837.80, 112,282,256.70 and 73,847,068.20

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Solution

The fourth proportional to 74,854,837.80, 112,282,256.70 and 73,847,068.20 is: 110,770,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854,837.80 : 112,282,256.70 = 73,847,068.20 : x
  2. Step 2: Convert to fraction form
    74,854,837.80/112,282,256.70 = 73,847,068.20/x
  3. Step 3: Cross multiply
    74,854,837.80x = 112,282,256.70 × 73,847,068.20
  4. Step 4: Simplify right side
    74,854,837.80x = 8,291,715,468,174,807
  5. Step 5: Solve for x
    x = 8,291,715,468,174,807/74,854,837.80
  6. Step 6: Final answer
    x = 110,770,602.30

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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.