Home / 70,703,978,122.98-106,075,864,335.87-30,913,247,326.50

Finding the Fourth Proportional to 70,703,978,122.98, 106,075,864,335.87 and 30,913,247,326.50

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Solution

The fourth proportional to 70,703,978,122.98, 106,075,864,335.87 and 30,913,247,326.50 is: 46,378,570,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,703,978,122.98 : 106,075,864,335.87 = 30,913,247,326.50 : x
  2. Step 2: Convert to fraction form
    70,703,978,122.98/106,075,864,335.87 = 30,913,247,326.50/x
  3. Step 3: Cross multiply
    70,703,978,122.98x = 106,075,864,335.87 × 30,913,247,326.50
  4. Step 4: Simplify right side
    70,703,978,122.98x = 3,279,149,429,587,009,601,536
  5. Step 5: Solve for x
    x = 3,279,149,429,587,009,601,536/70,703,978,122.98
  6. Step 6: Final answer
    x = 46,378,570,437.48

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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.