Home / 189,037,095.40-282,988,772.70-112,320,634.60

Finding the Fourth Proportional to 189,037,095.40, 282,988,772.70 and 112,320,634.60

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Solution

The fourth proportional to 189,037,095.40, 282,988,772.70 and 112,320,634.60 is: 168,144,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,037,095.40 : 282,988,772.70 = 112,320,634.60 : x
  2. Step 2: Convert to fraction form
    189,037,095.40/282,988,772.70 = 112,320,634.60/x
  3. Step 3: Cross multiply
    189,037,095.40x = 282,988,772.70 × 112,320,634.60
  4. Step 4: Simplify right side
    189,037,095.40x = 31,785,478,534,339,152
  5. Step 5: Solve for x
    x = 31,785,478,534,339,152/189,037,095.40
  6. Step 6: Final answer
    x = 168,144,133.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.