Home / 107,683,390.40-161,525,085.60-64,685,220.80

Finding the Fourth Proportional to 107,683,390.40, 161,525,085.60 and 64,685,220.80

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Solution

The fourth proportional to 107,683,390.40, 161,525,085.60 and 64,685,220.80 is: 97,027,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,683,390.40 : 161,525,085.60 = 64,685,220.80 : x
  2. Step 2: Convert to fraction form
    107,683,390.40/161,525,085.60 = 64,685,220.80/x
  3. Step 3: Cross multiply
    107,683,390.40x = 161,525,085.60 × 64,685,220.80
  4. Step 4: Simplify right side
    107,683,390.40x = 10,448,285,826,774,900
  5. Step 5: Solve for x
    x = 10,448,285,826,774,900/107,683,390.40
  6. Step 6: Final answer
    x = 97,027,831.20

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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.