Home / 77,572,963,427.82-107,053,330,879.08-45,017,656,530.42

Finding the Fourth Proportional to 77,572,963,427.82, 107,053,330,879.08 and 45,017,656,530.42

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Solution

The fourth proportional to 77,572,963,427.82, 107,053,330,879.08 and 45,017,656,530.42 is: 62,125,898,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572,963,427.82 : 107,053,330,879.08 = 45,017,656,530.42 : x
  2. Step 2: Convert to fraction form
    77,572,963,427.82/107,053,330,879.08 = 45,017,656,530.42/x
  3. Step 3: Cross multiply
    77,572,963,427.82x = 107,053,330,879.08 × 45,017,656,530.42
  4. Step 4: Simplify right side
    77,572,963,427.82x = 4,819,290,079,951,828,549,632
  5. Step 5: Solve for x
    x = 4,819,290,079,951,828,549,632/77,572,963,427.82
  6. Step 6: Final answer
    x = 62,125,898,856.97

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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.