Home / 143,759,302.19-215,562,230.59-74,602,472.97

Finding the Fourth Proportional to 143,759,302.19, 215,562,230.59 and 74,602,472.97

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Solution

The fourth proportional to 143,759,302.19, 215,562,230.59 and 74,602,472.97 is: 111,863,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,759,302.19 : 215,562,230.59 = 74,602,472.97 : x
  2. Step 2: Convert to fraction form
    143,759,302.19/215,562,230.59 = 74,602,472.97/x
  3. Step 3: Cross multiply
    143,759,302.19x = 215,562,230.59 × 74,602,472.97
  4. Step 4: Simplify right side
    143,759,302.19x = 16,081,475,480,943,382
  5. Step 5: Solve for x
    x = 16,081,475,480,943,382/143,759,302.19
  6. Step 6: Final answer
    x = 111,863,894.97

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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.