Home / 289,991,577.98-435,028,139.94-93,189,011.60

Finding the Fourth Proportional to 289,991,577.98, 435,028,139.94 and 93,189,011.60

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Solution

The fourth proportional to 289,991,577.98, 435,028,139.94 and 93,189,011.60 is: 139,796,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,991,577.98 : 435,028,139.94 = 93,189,011.60 : x
  2. Step 2: Convert to fraction form
    289,991,577.98/435,028,139.94 = 93,189,011.60/x
  3. Step 3: Cross multiply
    289,991,577.98x = 435,028,139.94 × 93,189,011.60
  4. Step 4: Simplify right side
    289,991,577.98x = 40,539,842,379,195,080
  5. Step 5: Solve for x
    x = 40,539,842,379,195,080/289,991,577.98
  6. Step 6: Final answer
    x = 139,796,619.82

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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.