Home / 126,237,562,071.47-174,205,682,643.81-68,365,472,881.76

Finding the Fourth Proportional to 126,237,562,071.47, 174,205,682,643.81 and 68,365,472,881.76

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Solution

The fourth proportional to 126,237,562,071.47, 174,205,682,643.81 and 68,365,472,881.76 is: 94,343,186,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,237,562,071.47 : 174,205,682,643.81 = 68,365,472,881.76 : x
  2. Step 2: Convert to fraction form
    126,237,562,071.47/174,205,682,643.81 = 68,365,472,881.76/x
  3. Step 3: Cross multiply
    126,237,562,071.47x = 174,205,682,643.81 × 68,365,472,881.76
  4. Step 4: Simplify right side
    126,237,562,071.47x = 11,909,653,872,633,706,446,848
  5. Step 5: Solve for x
    x = 11,909,653,872,633,706,446,848/126,237,562,071.47
  6. Step 6: Final answer
    x = 94,343,186,585.71

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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.