Home / 314,061,615.90-470,874,268.52-139,089,303.10

Finding the Fourth Proportional to 314,061,615.90, 470,874,268.52 and 139,089,303.10

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Solution

The fourth proportional to 314,061,615.90, 470,874,268.52 and 139,089,303.10 is: 208,537,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,061,615.90 : 470,874,268.52 = 139,089,303.10 : x
  2. Step 2: Convert to fraction form
    314,061,615.90/470,874,268.52 = 139,089,303.10/x
  3. Step 3: Cross multiply
    314,061,615.90x = 470,874,268.52 × 139,089,303.10
  4. Step 4: Simplify right side
    314,061,615.90x = 65,493,573,856,169,064
  5. Step 5: Solve for x
    x = 65,493,573,856,169,064/314,061,615.90
  6. Step 6: Final answer
    x = 208,537,339.62

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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.