Home / 136,963,196.60-189,021,168.76-75,095,492.58

Finding the Fourth Proportional to 136,963,196.60, 189,021,168.76 and 75,095,492.58

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Solution

The fourth proportional to 136,963,196.60, 189,021,168.76 and 75,095,492.58 is: 103,638,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,963,196.60 : 189,021,168.76 = 75,095,492.58 : x
  2. Step 2: Convert to fraction form
    136,963,196.60/189,021,168.76 = 75,095,492.58/x
  3. Step 3: Cross multiply
    136,963,196.60x = 189,021,168.76 × 75,095,492.58
  4. Step 4: Simplify right side
    136,963,196.60x = 14,194,637,777,146,014
  5. Step 5: Solve for x
    x = 14,194,637,777,146,014/136,963,196.60
  6. Step 6: Final answer
    x = 103,638,335.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.