Home / 210,070,578.40-315,430,270.80-114,519,090.40

Finding the Fourth Proportional to 210,070,578.40, 315,430,270.80 and 114,519,090.40

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Solution

The fourth proportional to 210,070,578.40, 315,430,270.80 and 114,519,090.40 is: 171,955,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,070,578.40 : 315,430,270.80 = 114,519,090.40 : x
  2. Step 2: Convert to fraction form
    210,070,578.40/315,430,270.80 = 114,519,090.40/x
  3. Step 3: Cross multiply
    210,070,578.40x = 315,430,270.80 × 114,519,090.40
  4. Step 4: Simplify right side
    210,070,578.40x = 36,122,787,696,641,680
  5. Step 5: Solve for x
    x = 36,122,787,696,641,680/210,070,578.40
  6. Step 6: Final answer
    x = 171,955,482.64

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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.