Home / 79,195,667.60-118,793,501.40-69,621,856.40

Finding the Fourth Proportional to 79,195,667.60, 118,793,501.40 and 69,621,856.40

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Solution

The fourth proportional to 79,195,667.60, 118,793,501.40 and 69,621,856.40 is: 104,432,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195,667.60 : 118,793,501.40 = 69,621,856.40 : x
  2. Step 2: Convert to fraction form
    79,195,667.60/118,793,501.40 = 69,621,856.40/x
  3. Step 3: Cross multiply
    79,195,667.60x = 118,793,501.40 × 69,621,856.40
  4. Step 4: Simplify right side
    79,195,667.60x = 8,270,624,095,724,000
  5. Step 5: Solve for x
    x = 8,270,624,095,724,000/79,195,667.60
  6. Step 6: Final answer
    x = 104,432,784.60

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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.