Home / 86,476,318,729.76-129,734,037,783.48-46,681,239,462.32

Finding the Fourth Proportional to 86,476,318,729.76, 129,734,037,783.48 and 46,681,239,462.32

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Solution

The fourth proportional to 86,476,318,729.76, 129,734,037,783.48 and 46,681,239,462.32 is: 70,032,417,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,476,318,729.76 : 129,734,037,783.48 = 46,681,239,462.32 : x
  2. Step 2: Convert to fraction form
    86,476,318,729.76/129,734,037,783.48 = 46,681,239,462.32/x
  3. Step 3: Cross multiply
    86,476,318,729.76x = 129,734,037,783.48 × 46,681,239,462.32
  4. Step 4: Simplify right side
    86,476,318,729.76x = 6,056,145,684,184,300,519,424
  5. Step 5: Solve for x
    x = 6,056,145,684,184,300,519,424/86,476,318,729.76
  6. Step 6: Final answer
    x = 70,032,417,812.67

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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.