Home / 118,772,912.55-178,159,368.83-99,641,036.55

Finding the Fourth Proportional to 118,772,912.55, 178,159,368.83 and 99,641,036.55

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Solution

The fourth proportional to 118,772,912.55, 178,159,368.83 and 99,641,036.55 is: 149,461,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,772,912.55 : 178,159,368.83 = 99,641,036.55 : x
  2. Step 2: Convert to fraction form
    118,772,912.55/178,159,368.83 = 99,641,036.55/x
  3. Step 3: Cross multiply
    118,772,912.55x = 178,159,368.83 × 99,641,036.55
  4. Step 4: Simplify right side
    118,772,912.55x = 17,751,984,180,816,754
  5. Step 5: Solve for x
    x = 17,751,984,180,816,754/118,772,912.55
  6. Step 6: Final answer
    x = 149,461,554.83

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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.