Home / 79,889,622.40-119,834,433.60-65,528,905.60

Finding the Fourth Proportional to 79,889,622.40, 119,834,433.60 and 65,528,905.60

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Solution

The fourth proportional to 79,889,622.40, 119,834,433.60 and 65,528,905.60 is: 98,293,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,889,622.40 : 119,834,433.60 = 65,528,905.60 : x
  2. Step 2: Convert to fraction form
    79,889,622.40/119,834,433.60 = 65,528,905.60/x
  3. Step 3: Cross multiply
    79,889,622.40x = 119,834,433.60 × 65,528,905.60
  4. Step 4: Simplify right side
    79,889,622.40x = 7,852,619,287,003,868
  5. Step 5: Solve for x
    x = 7,852,619,287,003,868/79,889,622.40
  6. Step 6: Final answer
    x = 98,293,358.40

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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.