Home / 85,619,189,355.36-128,233,151,632.74-40,882,020,300.24

Finding the Fourth Proportional to 85,619,189,355.36, 128,233,151,632.74 and 40,882,020,300.24

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Solution

The fourth proportional to 85,619,189,355.36, 128,233,151,632.74 and 40,882,020,300.24 is: 61,229,618,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,619,189,355.36 : 128,233,151,632.74 = 40,882,020,300.24 : x
  2. Step 2: Convert to fraction form
    85,619,189,355.36/128,233,151,632.74 = 40,882,020,300.24/x
  3. Step 3: Cross multiply
    85,619,189,355.36x = 128,233,151,632.74 × 40,882,020,300.24
  4. Step 4: Simplify right side
    85,619,189,355.36x = 5,242,430,308,213,430,681,600
  5. Step 5: Solve for x
    x = 5,242,430,308,213,430,681,600/85,619,189,355.36
  6. Step 6: Final answer
    x = 61,229,618,590.00

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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.