Home / 119,779,936.80-179,669,905.20-43,075,285.80

Finding the Fourth Proportional to 119,779,936.80, 179,669,905.20 and 43,075,285.80

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Solution

The fourth proportional to 119,779,936.80, 179,669,905.20 and 43,075,285.80 is: 64,612,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,779,936.80 : 179,669,905.20 = 43,075,285.80 : x
  2. Step 2: Convert to fraction form
    119,779,936.80/179,669,905.20 = 43,075,285.80/x
  3. Step 3: Cross multiply
    119,779,936.80x = 179,669,905.20 × 43,075,285.80
  4. Step 4: Simplify right side
    119,779,936.80x = 7,739,332,516,148,905
  5. Step 5: Solve for x
    x = 7,739,332,516,148,905/119,779,936.80
  6. Step 6: Final answer
    x = 64,612,928.70

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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.