Home / 211,477,983.51-317,163,153.18-65,884,407.15

Finding the Fourth Proportional to 211,477,983.51, 317,163,153.18 and 65,884,407.15

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Solution

The fourth proportional to 211,477,983.51, 317,163,153.18 and 65,884,407.15 is: 98,809,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,477,983.51 : 317,163,153.18 = 65,884,407.15 : x
  2. Step 2: Convert to fraction form
    211,477,983.51/317,163,153.18 = 65,884,407.15/x
  3. Step 3: Cross multiply
    211,477,983.51x = 317,163,153.18 × 65,884,407.15
  4. Step 4: Simplify right side
    211,477,983.51x = 20,896,106,317,088,936
  5. Step 5: Solve for x
    x = 20,896,106,317,088,936/211,477,983.51
  6. Step 6: Final answer
    x = 98,809,842.85

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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.