Home / 42,698,584.90-64,035,185.85-18,106,148.58

Finding the Fourth Proportional to 42,698,584.90, 64,035,185.85 and 18,106,148.58

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Solution

The fourth proportional to 42,698,584.90, 64,035,185.85 and 18,106,148.58 is: 27,153,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698,584.90 : 64,035,185.85 = 18,106,148.58 : x
  2. Step 2: Convert to fraction form
    42,698,584.90/64,035,185.85 = 18,106,148.58/x
  3. Step 3: Cross multiply
    42,698,584.90x = 64,035,185.85 × 18,106,148.58
  4. Step 4: Simplify right side
    42,698,584.90x = 1,159,430,589,348,013.50
  5. Step 5: Solve for x
    x = 1,159,430,589,348,013.50/42,698,584.90
  6. Step 6: Final answer
    x = 27,153,841.09

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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.