Home / 52,110,965.64-78,167,113.66-13,772,148.50

Finding the Fourth Proportional to 52,110,965.64, 78,167,113.66 and 13,772,148.50

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Solution

The fourth proportional to 52,110,965.64, 78,167,113.66 and 13,772,148.50 is: 20,658,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,965.64 : 78,167,113.66 = 13,772,148.50 : x
  2. Step 2: Convert to fraction form
    52,110,965.64/78,167,113.66 = 13,772,148.50/x
  3. Step 3: Cross multiply
    52,110,965.64x = 78,167,113.66 × 13,772,148.50
  4. Step 4: Simplify right side
    52,110,965.64x = 1,076,529,097,141,898.50
  5. Step 5: Solve for x
    x = 1,076,529,097,141,898.50/52,110,965.64
  6. Step 6: Final answer
    x = 20,658,398.55

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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.