Home / 130,045,868.20-195,068,802.30-53,423,885.80

Finding the Fourth Proportional to 130,045,868.20, 195,068,802.30 and 53,423,885.80

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Solution

The fourth proportional to 130,045,868.20, 195,068,802.30 and 53,423,885.80 is: 80,135,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045,868.20 : 195,068,802.30 = 53,423,885.80 : x
  2. Step 2: Convert to fraction form
    130,045,868.20/195,068,802.30 = 53,423,885.80/x
  3. Step 3: Cross multiply
    130,045,868.20x = 195,068,802.30 × 53,423,885.80
  4. Step 4: Simplify right side
    130,045,868.20x = 10,421,333,417,217,978
  5. Step 5: Solve for x
    x = 10,421,333,417,217,978/130,045,868.20
  6. Step 6: Final answer
    x = 80,135,828.70

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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.