Home / 100,316,734,264.26-138,437,115,881.45-55,206,461,076.32

Finding the Fourth Proportional to 100,316,734,264.26, 138,437,115,881.45 and 55,206,461,076.32

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Solution

The fourth proportional to 100,316,734,264.26, 138,437,115,881.45 and 55,206,461,076.32 is: 76,184,928,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316,734,264.26 : 138,437,115,881.45 = 55,206,461,076.32 : x
  2. Step 2: Convert to fraction form
    100,316,734,264.26/138,437,115,881.45 = 55,206,461,076.32/x
  3. Step 3: Cross multiply
    100,316,734,264.26x = 138,437,115,881.45 × 55,206,461,076.32
  4. Step 4: Simplify right side
    100,316,734,264.26x = 7,642,623,249,426,579,193,856
  5. Step 5: Solve for x
    x = 7,642,623,249,426,579,193,856/100,316,734,264.26
  6. Step 6: Final answer
    x = 76,184,928,720.81

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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.