Home / 209,059,461.60-313,631,051.40-117,074,011.92

Finding the Fourth Proportional to 209,059,461.60, 313,631,051.40 and 117,074,011.92

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Solution

The fourth proportional to 209,059,461.60, 313,631,051.40 and 117,074,011.92 is: 175,634,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,059,461.60 : 313,631,051.40 = 117,074,011.92 : x
  2. Step 2: Convert to fraction form
    209,059,461.60/313,631,051.40 = 117,074,011.92/x
  3. Step 3: Cross multiply
    209,059,461.60x = 313,631,051.40 × 117,074,011.92
  4. Step 4: Simplify right side
    209,059,461.60x = 36,718,045,450,085,728
  5. Step 5: Solve for x
    x = 36,718,045,450,085,728/209,059,461.60
  6. Step 6: Final answer
    x = 175,634,459.06

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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.