Home / 134,569,541.10-185,706,048.09-72,689,907

Finding the Fourth Proportional to 134,569,541.10, 185,706,048.09 and 72,689,907

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Solution

The fourth proportional to 134,569,541.10, 185,706,048.09 and 72,689,907 is: 100,312,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,541.10 : 185,706,048.09 = 72,689,907 : x
  2. Step 2: Convert to fraction form
    134,569,541.10/185,706,048.09 = 72,689,907/x
  3. Step 3: Cross multiply
    134,569,541.10x = 185,706,048.09 × 72,689,907
  4. Step 4: Simplify right side
    134,569,541.10x = 13,498,955,364,999,628
  5. Step 5: Solve for x
    x = 13,498,955,364,999,628/134,569,541.10
  6. Step 6: Final answer
    x = 100,312,115.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.