Home / 129,026,808.40-193,390,913.40-52,311,902.80

Finding the Fourth Proportional to 129,026,808.40, 193,390,913.40 and 52,311,902.80

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Solution

The fourth proportional to 129,026,808.40, 193,390,913.40 and 52,311,902.80 is: 78,407,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026,808.40 : 193,390,913.40 = 52,311,902.80 : x
  2. Step 2: Convert to fraction form
    129,026,808.40/193,390,913.40 = 52,311,902.80/x
  3. Step 3: Cross multiply
    129,026,808.40x = 193,390,913.40 × 52,311,902.80
  4. Step 4: Simplify right side
    129,026,808.40x = 10,116,646,664,184,018
  5. Step 5: Solve for x
    x = 10,116,646,664,184,018/129,026,808.40
  6. Step 6: Final answer
    x = 78,407,323.17

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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.