Home / 142,578,563.34-213,833,601.45-65,827,849.26

Finding the Fourth Proportional to 142,578,563.34, 213,833,601.45 and 65,827,849.26

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Solution

The fourth proportional to 142,578,563.34, 213,833,601.45 and 65,827,849.26 is: 98,725,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,578,563.34 : 213,833,601.45 = 65,827,849.26 : x
  2. Step 2: Convert to fraction form
    142,578,563.34/213,833,601.45 = 65,827,849.26/x
  3. Step 3: Cross multiply
    142,578,563.34x = 213,833,601.45 × 65,827,849.26
  4. Step 4: Simplify right side
    142,578,563.34x = 14,076,206,082,973,516
  5. Step 5: Solve for x
    x = 14,076,206,082,973,516/142,578,563.34
  6. Step 6: Final answer
    x = 98,725,963.80

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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.