Home / 105,509,979.90-158,264,969.85-96,104,130.30

Finding the Fourth Proportional to 105,509,979.90, 158,264,969.85 and 96,104,130.30

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Solution

The fourth proportional to 105,509,979.90, 158,264,969.85 and 96,104,130.30 is: 144,156,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,509,979.90 : 158,264,969.85 = 96,104,130.30 : x
  2. Step 2: Convert to fraction form
    105,509,979.90/158,264,969.85 = 96,104,130.30/x
  3. Step 3: Cross multiply
    105,509,979.90x = 158,264,969.85 × 96,104,130.30
  4. Step 4: Simplify right side
    105,509,979.90x = 15,209,917,284,389,970
  5. Step 5: Solve for x
    x = 15,209,917,284,389,970/105,509,979.90
  6. Step 6: Final answer
    x = 144,156,195.45

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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.