Home / 161,425,545,409.12-222,774,020,379.84-92,837,012,077.36

Finding the Fourth Proportional to 161,425,545,409.12, 222,774,020,379.84 and 92,837,012,077.36

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Solution

The fourth proportional to 161,425,545,409.12, 222,774,020,379.84 and 92,837,012,077.36 is: 128,118,968,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,425,545,409.12 : 222,774,020,379.84 = 92,837,012,077.36 : x
  2. Step 2: Convert to fraction form
    161,425,545,409.12/222,774,020,379.84 = 92,837,012,077.36/x
  3. Step 3: Cross multiply
    161,425,545,409.12x = 222,774,020,379.84 × 92,837,012,077.36
  4. Step 4: Simplify right side
    161,425,545,409.12x = 20,681,674,420,525,249,593,344
  5. Step 5: Solve for x
    x = 20,681,674,420,525,249,593,344/161,425,545,409.12
  6. Step 6: Final answer
    x = 128,118,968,829.31

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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.