Home / 99,079,328.96-136,749,591.84-57,265,169.60

Finding the Fourth Proportional to 99,079,328.96, 136,749,591.84 and 57,265,169.60

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Solution

The fourth proportional to 99,079,328.96, 136,749,591.84 and 57,265,169.60 is: 79,037,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,079,328.96 : 136,749,591.84 = 57,265,169.60 : x
  2. Step 2: Convert to fraction form
    99,079,328.96/136,749,591.84 = 57,265,169.60/x
  3. Step 3: Cross multiply
    99,079,328.96x = 136,749,591.84 × 57,265,169.60
  4. Step 4: Simplify right side
    99,079,328.96x = 7,830,988,569,448,376
  5. Step 5: Solve for x
    x = 7,830,988,569,448,376/99,079,328.96
  6. Step 6: Final answer
    x = 79,037,561.64

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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.