Home / 210,029,237.80-314,539,971.90-102,197,890.60

Finding the Fourth Proportional to 210,029,237.80, 314,539,971.90 and 102,197,890.60

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Solution

The fourth proportional to 210,029,237.80, 314,539,971.90 and 102,197,890.60 is: 153,051,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,237.80 : 314,539,971.90 = 102,197,890.60 : x
  2. Step 2: Convert to fraction form
    210,029,237.80/314,539,971.90 = 102,197,890.60/x
  3. Step 3: Cross multiply
    210,029,237.80x = 314,539,971.90 × 102,197,890.60
  4. Step 4: Simplify right side
    210,029,237.80x = 32,145,321,637,563,268
  5. Step 5: Solve for x
    x = 32,145,321,637,563,268/210,029,237.80
  6. Step 6: Final answer
    x = 153,051,651.16

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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.