Home / 313,301,646.96-432,367,941.15-187,874,263.64

Finding the Fourth Proportional to 313,301,646.96, 432,367,941.15 and 187,874,263.64

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Solution

The fourth proportional to 313,301,646.96, 432,367,941.15 and 187,874,263.64 is: 259,273,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,301,646.96 : 432,367,941.15 = 187,874,263.64 : x
  2. Step 2: Convert to fraction form
    313,301,646.96/432,367,941.15 = 187,874,263.64/x
  3. Step 3: Cross multiply
    313,301,646.96x = 432,367,941.15 × 187,874,263.64
  4. Step 4: Simplify right side
    313,301,646.96x = 81,230,808,562,937,264
  5. Step 5: Solve for x
    x = 81,230,808,562,937,264/313,301,646.96
  6. Step 6: Final answer
    x = 259,273,480.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.