Home / 130,929,140.35-196,386,591.43-40,052,729.35

Finding the Fourth Proportional to 130,929,140.35, 196,386,591.43 and 40,052,729.35

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Solution

The fourth proportional to 130,929,140.35, 196,386,591.43 and 40,052,729.35 is: 60,076,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,929,140.35 : 196,386,591.43 = 40,052,729.35 : x
  2. Step 2: Convert to fraction form
    130,929,140.35/196,386,591.43 = 40,052,729.35/x
  3. Step 3: Cross multiply
    130,929,140.35x = 196,386,591.43 × 40,052,729.35
  4. Step 4: Simplify right side
    130,929,140.35x = 7,865,818,994,514,820
  5. Step 5: Solve for x
    x = 7,865,818,994,514,820/130,929,140.35
  6. Step 6: Final answer
    x = 60,076,916.21

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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.