Home / 43,009,881.20-64,514,821.80-39,575,999.60

Finding the Fourth Proportional to 43,009,881.20, 64,514,821.80 and 39,575,999.60

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Solution

The fourth proportional to 43,009,881.20, 64,514,821.80 and 39,575,999.60 is: 59,363,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009,881.20 : 64,514,821.80 = 39,575,999.60 : x
  2. Step 2: Convert to fraction form
    43,009,881.20/64,514,821.80 = 39,575,999.60/x
  3. Step 3: Cross multiply
    43,009,881.20x = 64,514,821.80 × 39,575,999.60
  4. Step 4: Simplify right side
    43,009,881.20x = 2,553,238,561,750,871.50
  5. Step 5: Solve for x
    x = 2,553,238,561,750,871.50/43,009,881.20
  6. Step 6: Final answer
    x = 59,363,999.40

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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.