Home / 64,754,406.80-97,119,168.60-19,317,683.60

Finding the Fourth Proportional to 64,754,406.80, 97,119,168.60 and 19,317,683.60

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Solution

The fourth proportional to 64,754,406.80, 97,119,168.60 and 19,317,683.60 is: 28,972,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754,406.80 : 97,119,168.60 = 19,317,683.60 : x
  2. Step 2: Convert to fraction form
    64,754,406.80/97,119,168.60 = 19,317,683.60/x
  3. Step 3: Cross multiply
    64,754,406.80x = 97,119,168.60 × 19,317,683.60
  4. Step 4: Simplify right side
    64,754,406.80x = 1,876,117,370,509,855
  5. Step 5: Solve for x
    x = 1,876,117,370,509,855/64,754,406.80
  6. Step 6: Final answer
    x = 28,972,813.79

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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.