Home / 160,294,539.30-221,206,889.43-86,955,681.30

Finding the Fourth Proportional to 160,294,539.30, 221,206,889.43 and 86,955,681.30

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Solution

The fourth proportional to 160,294,539.30, 221,206,889.43 and 86,955,681.30 is: 119,999,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,294,539.30 : 221,206,889.43 = 86,955,681.30 : x
  2. Step 2: Convert to fraction form
    160,294,539.30/221,206,889.43 = 86,955,681.30/x
  3. Step 3: Cross multiply
    160,294,539.30x = 221,206,889.43 × 86,955,681.30
  4. Step 4: Simplify right side
    160,294,539.30x = 19,235,195,778,639,420
  5. Step 5: Solve for x
    x = 19,235,195,778,639,420/160,294,539.30
  6. Step 6: Final answer
    x = 119,999,070.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.