Home / 216,011,763.60-298,097,019.01-116,892,500.69

Finding the Fourth Proportional to 216,011,763.60, 298,097,019.01 and 116,892,500.69

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Solution

The fourth proportional to 216,011,763.60, 298,097,019.01 and 116,892,500.69 is: 161,312,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,011,763.60 : 298,097,019.01 = 116,892,500.69 : x
  2. Step 2: Convert to fraction form
    216,011,763.60/298,097,019.01 = 116,892,500.69/x
  3. Step 3: Cross multiply
    216,011,763.60x = 298,097,019.01 × 116,892,500.69
  4. Step 4: Simplify right side
    216,011,763.60x = 34,845,306,001,204,728
  5. Step 5: Solve for x
    x = 34,845,306,001,204,728/216,011,763.60
  6. Step 6: Final answer
    x = 161,312,075.88

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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.