Home / 142,586,945.60-213,880,418.40-34,881,569.60

Finding the Fourth Proportional to 142,586,945.60, 213,880,418.40 and 34,881,569.60

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Solution

The fourth proportional to 142,586,945.60, 213,880,418.40 and 34,881,569.60 is: 52,322,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,586,945.60 : 213,880,418.40 = 34,881,569.60 : x
  2. Step 2: Convert to fraction form
    142,586,945.60/213,880,418.40 = 34,881,569.60/x
  3. Step 3: Cross multiply
    142,586,945.60x = 213,880,418.40 × 34,881,569.60
  4. Step 4: Simplify right side
    142,586,945.60x = 7,460,484,700,496,721
  5. Step 5: Solve for x
    x = 7,460,484,700,496,721/142,586,945.60
  6. Step 6: Final answer
    x = 52,322,354.40

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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.