Home / 42,698,586.90-64,035,188.85-18,106,150.59

Finding the Fourth Proportional to 42,698,586.90, 64,035,188.85 and 18,106,150.59

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Solution

The fourth proportional to 42,698,586.90, 64,035,188.85 and 18,106,150.59 is: 27,153,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698,586.90 : 64,035,188.85 = 18,106,150.59 : x
  2. Step 2: Convert to fraction form
    42,698,586.90/64,035,188.85 = 18,106,150.59/x
  3. Step 3: Cross multiply
    42,698,586.90x = 64,035,188.85 × 18,106,150.59
  4. Step 4: Simplify right side
    42,698,586.90x = 1,159,430,772,377,189
  5. Step 5: Solve for x
    x = 1,159,430,772,377,189/42,698,586.90
  6. Step 6: Final answer
    x = 27,153,844.11

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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.