Home / 160,553,566.40-221,570,012.16-89,990,480.80

Finding the Fourth Proportional to 160,553,566.40, 221,570,012.16 and 89,990,480.80

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Solution

The fourth proportional to 160,553,566.40, 221,570,012.16 and 89,990,480.80 is: 124,190,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,553,566.40 : 221,570,012.16 = 89,990,480.80 : x
  2. Step 2: Convert to fraction form
    160,553,566.40/221,570,012.16 = 89,990,480.80/x
  3. Step 3: Cross multiply
    160,553,566.40x = 221,570,012.16 × 89,990,480.80
  4. Step 4: Simplify right side
    160,553,566.40x = 19,939,191,925,140,244
  5. Step 5: Solve for x
    x = 19,939,191,925,140,244/160,553,566.40
  6. Step 6: Final answer
    x = 124,190,277.25

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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.