Home / 209,970,302.40-314,955,453.60-166,604,716.80

Finding the Fourth Proportional to 209,970,302.40, 314,955,453.60 and 166,604,716.80

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Solution

The fourth proportional to 209,970,302.40, 314,955,453.60 and 166,604,716.80 is: 249,907,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,970,302.40 : 314,955,453.60 = 166,604,716.80 : x
  2. Step 2: Convert to fraction form
    209,970,302.40/314,955,453.60 = 166,604,716.80/x
  3. Step 3: Cross multiply
    209,970,302.40x = 314,955,453.60 × 166,604,716.80
  4. Step 4: Simplify right side
    209,970,302.40x = 52,473,064,151,643,552
  5. Step 5: Solve for x
    x = 52,473,064,151,643,552/209,970,302.40
  6. Step 6: Final answer
    x = 249,907,075.20

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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.