Home / 157,113,474.96-216,842,979.48-91,075,282.32

Finding the Fourth Proportional to 157,113,474.96, 216,842,979.48 and 91,075,282.32

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Solution

The fourth proportional to 157,113,474.96, 216,842,979.48 and 91,075,282.32 is: 125,699,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,113,474.96 : 216,842,979.48 = 91,075,282.32 : x
  2. Step 2: Convert to fraction form
    157,113,474.96/216,842,979.48 = 91,075,282.32/x
  3. Step 3: Cross multiply
    157,113,474.96x = 216,842,979.48 × 91,075,282.32
  4. Step 4: Simplify right side
    157,113,474.96x = 19,749,035,575,250,964
  5. Step 5: Solve for x
    x = 19,749,035,575,250,964/157,113,474.96
  6. Step 6: Final answer
    x = 125,699,183.86

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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.