Home / 160,206,355.16-221,089,117.14-90,602,144.84

Finding the Fourth Proportional to 160,206,355.16, 221,089,117.14 and 90,602,144.84

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Solution

The fourth proportional to 160,206,355.16, 221,089,117.14 and 90,602,144.84 is: 125,033,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,206,355.16 : 221,089,117.14 = 90,602,144.84 : x
  2. Step 2: Convert to fraction form
    160,206,355.16/221,089,117.14 = 90,602,144.84/x
  3. Step 3: Cross multiply
    160,206,355.16x = 221,089,117.14 × 90,602,144.84
  4. Step 4: Simplify right side
    160,206,355.16x = 20,031,148,213,666,008
  5. Step 5: Solve for x
    x = 20,031,148,213,666,008/160,206,355.16
  6. Step 6: Final answer
    x = 125,033,418.27

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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.