Home / 207,330,720.40-310,996,080.60-204,307,411.60

Finding the Fourth Proportional to 207,330,720.40, 310,996,080.60 and 204,307,411.60

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Solution

The fourth proportional to 207,330,720.40, 310,996,080.60 and 204,307,411.60 is: 306,461,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,330,720.40 : 310,996,080.60 = 204,307,411.60 : x
  2. Step 2: Convert to fraction form
    207,330,720.40/310,996,080.60 = 204,307,411.60/x
  3. Step 3: Cross multiply
    207,330,720.40x = 310,996,080.60 × 204,307,411.60
  4. Step 4: Simplify right side
    207,330,720.40x = 63,538,804,245,130,976
  5. Step 5: Solve for x
    x = 63,538,804,245,130,976/207,330,720.40
  6. Step 6: Final answer
    x = 306,461,117.40

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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.