Home / 43,017,518.40-64,526,277.60-39,434,337.60

Finding the Fourth Proportional to 43,017,518.40, 64,526,277.60 and 39,434,337.60

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Solution

The fourth proportional to 43,017,518.40, 64,526,277.60 and 39,434,337.60 is: 59,151,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017,518.40 : 64,526,277.60 = 39,434,337.60 : x
  2. Step 2: Convert to fraction form
    43,017,518.40/64,526,277.60 = 39,434,337.60/x
  3. Step 3: Cross multiply
    43,017,518.40x = 64,526,277.60 × 39,434,337.60
  4. Step 4: Simplify right side
    43,017,518.40x = 2,544,551,014,949,718
  5. Step 5: Solve for x
    x = 2,544,551,014,949,718/43,017,518.40
  6. Step 6: Final answer
    x = 59,151,506.40

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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.