Home / 199,349,429.60-299,080,131.60-97,116,802.40

Finding the Fourth Proportional to 199,349,429.60, 299,080,131.60 and 97,116,802.40

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Solution

The fourth proportional to 199,349,429.60, 299,080,131.60 and 97,116,802.40 is: 145,702,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,349,429.60 : 299,080,131.60 = 97,116,802.40 : x
  2. Step 2: Convert to fraction form
    199,349,429.60/299,080,131.60 = 97,116,802.40/x
  3. Step 3: Cross multiply
    199,349,429.60x = 299,080,131.60 × 97,116,802.40
  4. Step 4: Simplify right side
    199,349,429.60x = 29,045,706,042,363,200
  5. Step 5: Solve for x
    x = 29,045,706,042,363,200/199,349,429.60
  6. Step 6: Final answer
    x = 145,702,478.81

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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.