Home / 209,860,877.80-314,791,316.70-193,736,564.20

Finding the Fourth Proportional to 209,860,877.80, 314,791,316.70 and 193,736,564.20

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Solution

The fourth proportional to 209,860,877.80, 314,791,316.70 and 193,736,564.20 is: 290,604,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,860,877.80 : 314,791,316.70 = 193,736,564.20 : x
  2. Step 2: Convert to fraction form
    209,860,877.80/314,791,316.70 = 193,736,564.20/x
  3. Step 3: Cross multiply
    209,860,877.80x = 314,791,316.70 × 193,736,564.20
  4. Step 4: Simplify right side
    209,860,877.80x = 60,986,588,137,452,080
  5. Step 5: Solve for x
    x = 60,986,588,137,452,080/209,860,877.80
  6. Step 6: Final answer
    x = 290,604,846.30

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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.