Home / 157,113,525.12-216,843,048.96-91,075,332.48

Finding the Fourth Proportional to 157,113,525.12, 216,843,048.96 and 91,075,332.48

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Solution

The fourth proportional to 157,113,525.12, 216,843,048.96 and 91,075,332.48 is: 125,699,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,113,525.12 : 216,843,048.96 = 91,075,332.48 : x
  2. Step 2: Convert to fraction form
    157,113,525.12/216,843,048.96 = 91,075,332.48/x
  3. Step 3: Cross multiply
    157,113,525.12x = 216,843,048.96 × 91,075,332.48
  4. Step 4: Simplify right side
    157,113,525.12x = 19,749,052,780,008,920
  5. Step 5: Solve for x
    x = 19,749,052,780,008,920/157,113,525.12
  6. Step 6: Final answer
    x = 125,699,253.23

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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.