Home / 209,860,881.80-314,791,322.70-193,736,568.20

Finding the Fourth Proportional to 209,860,881.80, 314,791,322.70 and 193,736,568.20

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Solution

The fourth proportional to 209,860,881.80, 314,791,322.70 and 193,736,568.20 is: 290,604,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,860,881.80 : 314,791,322.70 = 193,736,568.20 : x
  2. Step 2: Convert to fraction form
    209,860,881.80/314,791,322.70 = 193,736,568.20/x
  3. Step 3: Cross multiply
    209,860,881.80x = 314,791,322.70 × 193,736,568.20
  4. Step 4: Simplify right side
    209,860,881.80x = 60,986,590,559,036,752
  5. Step 5: Solve for x
    x = 60,986,590,559,036,752/209,860,881.80
  6. Step 6: Final answer
    x = 290,604,852.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.