Home / 166,584,187.20-249,876,280.80-98,391,777.60

Finding the Fourth Proportional to 166,584,187.20, 249,876,280.80 and 98,391,777.60

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Solution

The fourth proportional to 166,584,187.20, 249,876,280.80 and 98,391,777.60 is: 147,587,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,584,187.20 : 249,876,280.80 = 98,391,777.60 : x
  2. Step 2: Convert to fraction form
    166,584,187.20/249,876,280.80 = 98,391,777.60/x
  3. Step 3: Cross multiply
    166,584,187.20x = 249,876,280.80 × 98,391,777.60
  4. Step 4: Simplify right side
    166,584,187.20x = 24,585,771,447,988,748
  5. Step 5: Solve for x
    x = 24,585,771,447,988,748/166,584,187.20
  6. Step 6: Final answer
    x = 147,587,666.40

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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.