Home / 99,968,009.40-149,653,415.70-59,557,692.60

Finding the Fourth Proportional to 99,968,009.40, 149,653,415.70 and 59,557,692.60

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Solution

The fourth proportional to 99,968,009.40, 149,653,415.70 and 59,557,692.60 is: 89,158,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,968,009.40 : 149,653,415.70 = 59,557,692.60 : x
  2. Step 2: Convert to fraction form
    99,968,009.40/149,653,415.70 = 59,557,692.60/x
  3. Step 3: Cross multiply
    99,968,009.40x = 149,653,415.70 × 59,557,692.60
  4. Step 4: Simplify right side
    99,968,009.40x = 8,913,012,128,800,613
  5. Step 5: Solve for x
    x = 8,913,012,128,800,613/99,968,009.40
  6. Step 6: Final answer
    x = 89,158,643.67

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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.