Home / 145,594,388.36-200,925,213.72-86,106,678.60

Finding the Fourth Proportional to 145,594,388.36, 200,925,213.72 and 86,106,678.60

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Solution

The fourth proportional to 145,594,388.36, 200,925,213.72 and 86,106,678.60 is: 118,830,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,594,388.36 : 200,925,213.72 = 86,106,678.60 : x
  2. Step 2: Convert to fraction form
    145,594,388.36/200,925,213.72 = 86,106,678.60/x
  3. Step 3: Cross multiply
    145,594,388.36x = 200,925,213.72 × 86,106,678.60
  4. Step 4: Simplify right side
    145,594,388.36x = 17,301,002,800,424,350
  5. Step 5: Solve for x
    x = 17,301,002,800,424,350/145,594,388.36
  6. Step 6: Final answer
    x = 118,830,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.