Home / 99,776,271.60-149,664,407.40-82,980,111.60

Finding the Fourth Proportional to 99,776,271.60, 149,664,407.40 and 82,980,111.60

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Solution

The fourth proportional to 99,776,271.60, 149,664,407.40 and 82,980,111.60 is: 124,470,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776,271.60 : 149,664,407.40 = 82,980,111.60 : x
  2. Step 2: Convert to fraction form
    99,776,271.60/149,664,407.40 = 82,980,111.60/x
  3. Step 3: Cross multiply
    99,776,271.60x = 149,664,407.40 × 82,980,111.60
  4. Step 4: Simplify right side
    99,776,271.60x = 12,419,169,228,599,866
  5. Step 5: Solve for x
    x = 12,419,169,228,599,866/99,776,271.60
  6. Step 6: Final answer
    x = 124,470,167.40

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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.