Home / 99,994,010.90-149,991,016.35-69,736,039.70

Finding the Fourth Proportional to 99,994,010.90, 149,991,016.35 and 69,736,039.70

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Solution

The fourth proportional to 99,994,010.90, 149,991,016.35 and 69,736,039.70 is: 104,604,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994,010.90 : 149,991,016.35 = 69,736,039.70 : x
  2. Step 2: Convert to fraction form
    99,994,010.90/149,991,016.35 = 69,736,039.70/x
  3. Step 3: Cross multiply
    99,994,010.90x = 149,991,016.35 × 69,736,039.70
  4. Step 4: Simplify right side
    99,994,010.90x = 10,459,779,470,826,950
  5. Step 5: Solve for x
    x = 10,459,779,470,826,950/99,994,010.90
  6. Step 6: Final answer
    x = 104,604,059.55

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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.