Home / 130,045,869.20-195,068,803.80-53,423,886.80

Finding the Fourth Proportional to 130,045,869.20, 195,068,803.80 and 53,423,886.80

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Solution

The fourth proportional to 130,045,869.20, 195,068,803.80 and 53,423,886.80 is: 80,135,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045,869.20 : 195,068,803.80 = 53,423,886.80 : x
  2. Step 2: Convert to fraction form
    130,045,869.20/195,068,803.80 = 53,423,886.80/x
  3. Step 3: Cross multiply
    130,045,869.20x = 195,068,803.80 × 53,423,886.80
  4. Step 4: Simplify right side
    130,045,869.20x = 10,421,333,692,422,610
  5. Step 5: Solve for x
    x = 10,421,333,692,422,610/130,045,869.20
  6. Step 6: Final answer
    x = 80,135,830.20

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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.