Home / 210,036,574.80-289,866,498.75-115,968,856.95

Finding the Fourth Proportional to 210,036,574.80, 289,866,498.75 and 115,968,856.95

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Solution

The fourth proportional to 210,036,574.80, 289,866,498.75 and 115,968,856.95 is: 160,045,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,036,574.80 : 289,866,498.75 = 115,968,856.95 : x
  2. Step 2: Convert to fraction form
    210,036,574.80/289,866,498.75 = 115,968,856.95/x
  3. Step 3: Cross multiply
    210,036,574.80x = 289,866,498.75 × 115,968,856.95
  4. Step 4: Simplify right side
    210,036,574.80x = 33,615,486,528,136,104
  5. Step 5: Solve for x
    x = 33,615,486,528,136,104/210,036,574.80
  6. Step 6: Final answer
    x = 160,045,870.87

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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.