Home / 157,113,472.96-216,842,976.72-91,075,280.32

Finding the Fourth Proportional to 157,113,472.96, 216,842,976.72 and 91,075,280.32

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Solution

The fourth proportional to 157,113,472.96, 216,842,976.72 and 91,075,280.32 is: 125,699,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,113,472.96 : 216,842,976.72 = 91,075,280.32 : x
  2. Step 2: Convert to fraction form
    157,113,472.96/216,842,976.72 = 91,075,280.32/x
  3. Step 3: Cross multiply
    157,113,472.96x = 216,842,976.72 × 91,075,280.32
  4. Step 4: Simplify right side
    157,113,472.96x = 19,749,034,890,197,232
  5. Step 5: Solve for x
    x = 19,749,034,890,197,232/157,113,472.96
  6. Step 6: Final answer
    x = 125,699,181.10

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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.