Home / 147,637,479.41-203,745,911.75-84,913,594.86

Finding the Fourth Proportional to 147,637,479.41, 203,745,911.75 and 84,913,594.86

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Solution

The fourth proportional to 147,637,479.41, 203,745,911.75 and 84,913,594.86 is: 117,184,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,637,479.41 : 203,745,911.75 = 84,913,594.86 : x
  2. Step 2: Convert to fraction form
    147,637,479.41/203,745,911.75 = 84,913,594.86/x
  3. Step 3: Cross multiply
    147,637,479.41x = 203,745,911.75 × 84,913,594.86
  4. Step 4: Simplify right side
    147,637,479.41x = 17,300,797,805,045,240
  5. Step 5: Solve for x
    x = 17,300,797,805,045,240/147,637,479.41
  6. Step 6: Final answer
    x = 117,184,321.18

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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.