Home / 53,724,858.60-80,415,827.10-42,387,450.60

Finding the Fourth Proportional to 53,724,858.60, 80,415,827.10 and 42,387,450.60

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Solution

The fourth proportional to 53,724,858.60, 80,415,827.10 and 42,387,450.60 is: 63,445,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,724,858.60 : 80,415,827.10 = 42,387,450.60 : x
  2. Step 2: Convert to fraction form
    53,724,858.60/80,415,827.10 = 42,387,450.60/x
  3. Step 3: Cross multiply
    53,724,858.60x = 80,415,827.10 × 42,387,450.60
  4. Step 4: Simplify right side
    53,724,858.60x = 3,408,621,898,659,391
  5. Step 5: Solve for x
    x = 3,408,621,898,659,391/53,724,858.60
  6. Step 6: Final answer
    x = 63,445,898.00

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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.