Home / 119,900,111,590.54-165,462,348,182.79-65,698,048,076.86

Finding the Fourth Proportional to 119,900,111,590.54, 165,462,348,182.79 and 65,698,048,076.86

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Solution

The fourth proportional to 119,900,111,590.54, 165,462,348,182.79 and 65,698,048,076.86 is: 90,663,412,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900,111,590.54 : 165,462,348,182.79 = 65,698,048,076.86 : x
  2. Step 2: Convert to fraction form
    119,900,111,590.54/165,462,348,182.79 = 65,698,048,076.86/x
  3. Step 3: Cross multiply
    119,900,111,590.54x = 165,462,348,182.79 × 65,698,048,076.86
  4. Step 4: Simplify right side
    119,900,111,590.54x = 10,870,553,305,823,087,427,584
  5. Step 5: Solve for x
    x = 10,870,553,305,823,087,427,584/119,900,111,590.54
  6. Step 6: Final answer
    x = 90,663,412,749.32

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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.