Home / 153,863,096.40-230,428,265.40-89,030,268.72

Finding the Fourth Proportional to 153,863,096.40, 230,428,265.40 and 89,030,268.72

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Solution

The fourth proportional to 153,863,096.40, 230,428,265.40 and 89,030,268.72 is: 133,333,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,863,096.40 : 230,428,265.40 = 89,030,268.72 : x
  2. Step 2: Convert to fraction form
    153,863,096.40/230,428,265.40 = 89,030,268.72/x
  3. Step 3: Cross multiply
    153,863,096.40x = 230,428,265.40 × 89,030,268.72
  4. Step 4: Simplify right side
    153,863,096.40x = 20,515,090,389,245,480
  5. Step 5: Solve for x
    x = 20,515,090,389,245,480/153,863,096.40
  6. Step 6: Final answer
    x = 133,333,403.98

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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.