Home / 210,172,746.87-315,289,206.14-64,618,528.01

Finding the Fourth Proportional to 210,172,746.87, 315,289,206.14 and 64,618,528.01

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Solution

The fourth proportional to 210,172,746.87, 315,289,206.14 and 64,618,528.01 is: 96,937,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,172,746.87 : 315,289,206.14 = 64,618,528.01 : x
  2. Step 2: Convert to fraction form
    210,172,746.87/315,289,206.14 = 64,618,528.01/x
  3. Step 3: Cross multiply
    210,172,746.87x = 315,289,206.14 × 64,618,528.01
  4. Step 4: Simplify right side
    210,172,746.87x = 20,373,524,396,308,716
  5. Step 5: Solve for x
    x = 20,373,524,396,308,716/210,172,746.87
  6. Step 6: Final answer
    x = 96,937,042.03

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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.