Home / 160,577,896.40-221,596,315.08-87,239,641.04

Finding the Fourth Proportional to 160,577,896.40, 221,596,315.08 and 87,239,641.04

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Solution

The fourth proportional to 160,577,896.40, 221,596,315.08 and 87,239,641.04 is: 120,390,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,577,896.40 : 221,596,315.08 = 87,239,641.04 : x
  2. Step 2: Convert to fraction form
    160,577,896.40/221,596,315.08 = 87,239,641.04/x
  3. Step 3: Cross multiply
    160,577,896.40x = 221,596,315.08 × 87,239,641.04
  4. Step 4: Simplify right side
    160,577,896.40x = 19,331,982,983,365,940
  5. Step 5: Solve for x
    x = 19,331,982,983,365,940/160,577,896.40
  6. Step 6: Final answer
    x = 120,390,062.50

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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.