Home / 130,680,420.30-196,020,630.45-84,994,865.10

Finding the Fourth Proportional to 130,680,420.30, 196,020,630.45 and 84,994,865.10

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Solution

The fourth proportional to 130,680,420.30, 196,020,630.45 and 84,994,865.10 is: 127,492,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680,420.30 : 196,020,630.45 = 84,994,865.10 : x
  2. Step 2: Convert to fraction form
    130,680,420.30/196,020,630.45 = 84,994,865.10/x
  3. Step 3: Cross multiply
    130,680,420.30x = 196,020,630.45 × 84,994,865.10
  4. Step 4: Simplify right side
    130,680,420.30x = 16,660,747,041,914,700
  5. Step 5: Solve for x
    x = 16,660,747,041,914,700/130,680,420.30
  6. Step 6: Final answer
    x = 127,492,297.65

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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.