Home / 207,376,543.10-311,064,814.66-130,450,130.30

Finding the Fourth Proportional to 207,376,543.10, 311,064,814.66 and 130,450,130.30

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Solution

The fourth proportional to 207,376,543.10, 311,064,814.66 and 130,450,130.30 is: 195,675,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,376,543.10 : 311,064,814.66 = 130,450,130.30 : x
  2. Step 2: Convert to fraction form
    207,376,543.10/311,064,814.66 = 130,450,130.30/x
  3. Step 3: Cross multiply
    207,376,543.10x = 311,064,814.66 × 130,450,130.30
  4. Step 4: Simplify right side
    207,376,543.10x = 40,578,445,604,142,352
  5. Step 5: Solve for x
    x = 40,578,445,604,142,352/207,376,543.10
  6. Step 6: Final answer
    x = 195,675,195.46

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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.