Home / 113,619,855.60-170,429,783.40-78,851,804.40

Finding the Fourth Proportional to 113,619,855.60, 170,429,783.40 and 78,851,804.40

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Solution

The fourth proportional to 113,619,855.60, 170,429,783.40 and 78,851,804.40 is: 118,277,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,619,855.60 : 170,429,783.40 = 78,851,804.40 : x
  2. Step 2: Convert to fraction form
    113,619,855.60/170,429,783.40 = 78,851,804.40/x
  3. Step 3: Cross multiply
    113,619,855.60x = 170,429,783.40 × 78,851,804.40
  4. Step 4: Simplify right side
    113,619,855.60x = 13,438,695,944,591,168
  5. Step 5: Solve for x
    x = 13,438,695,944,591,168/113,619,855.60
  6. Step 6: Final answer
    x = 118,277,706.60

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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.