Home / 142,649,907.30-213,825,533.10-59,699,188.80

Finding the Fourth Proportional to 142,649,907.30, 213,825,533.10 and 59,699,188.80

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Solution

The fourth proportional to 142,649,907.30, 213,825,533.10 and 59,699,188.80 is: 89,486,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,649,907.30 : 213,825,533.10 = 59,699,188.80 : x
  2. Step 2: Convert to fraction form
    142,649,907.30/213,825,533.10 = 59,699,188.80/x
  3. Step 3: Cross multiply
    142,649,907.30x = 213,825,533.10 × 59,699,188.80
  4. Step 4: Simplify right side
    142,649,907.30x = 12,765,210,870,797,548
  5. Step 5: Solve for x
    x = 12,765,210,870,797,548/142,649,907.30
  6. Step 6: Final answer
    x = 89,486,289.28

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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.