Home / 248,044,128-342,333,491.52-142,238,948.80

Finding the Fourth Proportional to 248,044,128, 342,333,491.52 and 142,238,948.80

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Solution

The fourth proportional to 248,044,128, 342,333,491.52 and 142,238,948.80 is: 196,308,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,044,128 : 342,333,491.52 = 142,238,948.80 : x
  2. Step 2: Convert to fraction form
    248,044,128/342,333,491.52 = 142,238,948.80/x
  3. Step 3: Cross multiply
    248,044,128x = 342,333,491.52 × 142,238,948.80
  4. Step 4: Simplify right side
    248,044,128x = 48,693,155,972,838,512
  5. Step 5: Solve for x
    x = 48,693,155,972,838,512/248,044,128
  6. Step 6: Final answer
    x = 196,308,440.62

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1.5x scale

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.