Home / 210,350,064.80-315,525,097.20-97,103,856.80

Finding the Fourth Proportional to 210,350,064.80, 315,525,097.20 and 97,103,856.80

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Solution

The fourth proportional to 210,350,064.80, 315,525,097.20 and 97,103,856.80 is: 145,655,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,350,064.80 : 315,525,097.20 = 97,103,856.80 : x
  2. Step 2: Convert to fraction form
    210,350,064.80/315,525,097.20 = 97,103,856.80/x
  3. Step 3: Cross multiply
    210,350,064.80x = 315,525,097.20 × 97,103,856.80
  4. Step 4: Simplify right side
    210,350,064.80x = 30,638,703,855,314,880
  5. Step 5: Solve for x
    x = 30,638,703,855,314,880/210,350,064.80
  6. Step 6: Final answer
    x = 145,655,785.20

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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.