Home / 260,963,498.57-391,597,889.52-97,314,312.65

Finding the Fourth Proportional to 260,963,498.57, 391,597,889.52 and 97,314,312.65

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Solution

The fourth proportional to 260,963,498.57, 391,597,889.52 and 97,314,312.65 is: 146,028,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,963,498.57 : 391,597,889.52 = 97,314,312.65 : x
  2. Step 2: Convert to fraction form
    260,963,498.57/391,597,889.52 = 97,314,312.65/x
  3. Step 3: Cross multiply
    260,963,498.57x = 391,597,889.52 × 97,314,312.65
  4. Step 4: Simplify right side
    260,963,498.57x = 38,108,079,453,829,440
  5. Step 5: Solve for x
    x = 38,108,079,453,829,440/260,963,498.57
  6. Step 6: Final answer
    x = 146,028,389.65

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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.