Home / 210,172,752.90-315,289,215.12-64,618,534.02

Finding the Fourth Proportional to 210,172,752.90, 315,289,215.12 and 64,618,534.02

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Solution

The fourth proportional to 210,172,752.90, 315,289,215.12 and 64,618,534.02 is: 96,937,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,172,752.90 : 315,289,215.12 = 64,618,534.02 : x
  2. Step 2: Convert to fraction form
    210,172,752.90/315,289,215.12 = 64,618,534.02/x
  3. Step 3: Cross multiply
    210,172,752.90x = 315,289,215.12 × 64,618,534.02
  4. Step 4: Simplify right side
    210,172,752.90x = 20,373,526,873,370,820
  5. Step 5: Solve for x
    x = 20,373,526,873,370,820/210,172,752.90
  6. Step 6: Final answer
    x = 96,937,051.03

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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.