Home / 261,015,379.44-360,210,466.92-143,549,801.52

Finding the Fourth Proportional to 261,015,379.44, 360,210,466.92 and 143,549,801.52

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Solution

The fourth proportional to 261,015,379.44, 360,210,466.92 and 143,549,801.52 is: 198,103,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,379.44 : 360,210,466.92 = 143,549,801.52 : x
  2. Step 2: Convert to fraction form
    261,015,379.44/360,210,466.92 = 143,549,801.52/x
  3. Step 3: Cross multiply
    261,015,379.44x = 360,210,466.92 × 143,549,801.52
  4. Step 4: Simplify right side
    261,015,379.44x = 51,708,141,031,792,528
  5. Step 5: Solve for x
    x = 51,708,141,031,792,528/261,015,379.44
  6. Step 6: Final answer
    x = 198,103,809.60

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1.5x scale

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.