Home / 209,968,118.40-314,952,177.60-166,602,532.80

Finding the Fourth Proportional to 209,968,118.40, 314,952,177.60 and 166,602,532.80

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Solution

The fourth proportional to 209,968,118.40, 314,952,177.60 and 166,602,532.80 is: 249,903,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968,118.40 : 314,952,177.60 = 166,602,532.80 : x
  2. Step 2: Convert to fraction form
    209,968,118.40/314,952,177.60 = 166,602,532.80/x
  3. Step 3: Cross multiply
    209,968,118.40x = 314,952,177.60 × 166,602,532.80
  4. Step 4: Simplify right side
    209,968,118.40x = 52,471,830,499,035,432
  5. Step 5: Solve for x
    x = 52,471,830,499,035,432/209,968,118.40
  6. Step 6: Final answer
    x = 249,903,799.20

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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.