Home / 69,358,853.60-104,038,280.40-65,107,325.60

Finding the Fourth Proportional to 69,358,853.60, 104,038,280.40 and 65,107,325.60

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Solution

The fourth proportional to 69,358,853.60, 104,038,280.40 and 65,107,325.60 is: 97,660,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358,853.60 : 104,038,280.40 = 65,107,325.60 : x
  2. Step 2: Convert to fraction form
    69,358,853.60/104,038,280.40 = 65,107,325.60/x
  3. Step 3: Cross multiply
    69,358,853.60x = 104,038,280.40 × 65,107,325.60
  4. Step 4: Simplify right side
    69,358,853.60x = 6,773,654,196,866,899
  5. Step 5: Solve for x
    x = 6,773,654,196,866,899/69,358,853.60
  6. Step 6: Final answer
    x = 97,660,988.40

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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.