Home / 211,477,989.04-317,163,161.42-65,884,412.68

Finding the Fourth Proportional to 211,477,989.04, 317,163,161.42 and 65,884,412.68

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Solution

The fourth proportional to 211,477,989.04, 317,163,161.42 and 65,884,412.68 is: 98,809,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,477,989.04 : 317,163,161.42 = 65,884,412.68 : x
  2. Step 2: Convert to fraction form
    211,477,989.04/317,163,161.42 = 65,884,412.68/x
  3. Step 3: Cross multiply
    211,477,989.04x = 317,163,161.42 × 65,884,412.68
  4. Step 4: Simplify right side
    211,477,989.04x = 20,896,108,613,888,736
  5. Step 5: Solve for x
    x = 20,896,108,613,888,736/211,477,989.04
  6. Step 6: Final answer
    x = 98,809,851.13

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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.