Home / 133,152,386.40-199,728,579.60-46,988,085.60

Finding the Fourth Proportional to 133,152,386.40, 199,728,579.60 and 46,988,085.60

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Solution

The fourth proportional to 133,152,386.40, 199,728,579.60 and 46,988,085.60 is: 70,482,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,152,386.40 : 199,728,579.60 = 46,988,085.60 : x
  2. Step 2: Convert to fraction form
    133,152,386.40/199,728,579.60 = 46,988,085.60/x
  3. Step 3: Cross multiply
    133,152,386.40x = 199,728,579.60 × 46,988,085.60
  4. Step 4: Simplify right side
    133,152,386.40x = 9,384,863,595,011,214
  5. Step 5: Solve for x
    x = 9,384,863,595,011,214/133,152,386.40
  6. Step 6: Final answer
    x = 70,482,128.40

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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.