Home / 142,464,630.40-213,696,945.60-34,759,254.40

Finding the Fourth Proportional to 142,464,630.40, 213,696,945.60 and 34,759,254.40

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Solution

The fourth proportional to 142,464,630.40, 213,696,945.60 and 34,759,254.40 is: 52,138,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,464,630.40 : 213,696,945.60 = 34,759,254.40 : x
  2. Step 2: Convert to fraction form
    142,464,630.40/213,696,945.60 = 34,759,254.40/x
  3. Step 3: Cross multiply
    142,464,630.40x = 213,696,945.60 × 34,759,254.40
  4. Step 4: Simplify right side
    142,464,630.40x = 7,427,946,496,613,360
  5. Step 5: Solve for x
    x = 7,427,946,496,613,360/142,464,630.40
  6. Step 6: Final answer
    x = 52,138,881.60

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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.