Home / 100,722,050.20-151,083,075.30-70,111,048.60

Finding the Fourth Proportional to 100,722,050.20, 151,083,075.30 and 70,111,048.60

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Solution

The fourth proportional to 100,722,050.20, 151,083,075.30 and 70,111,048.60 is: 105,166,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,722,050.20 : 151,083,075.30 = 70,111,048.60 : x
  2. Step 2: Convert to fraction form
    100,722,050.20/151,083,075.30 = 70,111,048.60/x
  3. Step 3: Cross multiply
    100,722,050.20x = 151,083,075.30 × 70,111,048.60
  4. Step 4: Simplify right side
    100,722,050.20x = 10,592,592,834,995,760
  5. Step 5: Solve for x
    x = 10,592,592,834,995,760/100,722,050.20
  6. Step 6: Final answer
    x = 105,166,572.90

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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.