Home / 249,380,015.20-374,070,022.80-76,841,461.60

Finding the Fourth Proportional to 249,380,015.20, 374,070,022.80 and 76,841,461.60

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Solution

The fourth proportional to 249,380,015.20, 374,070,022.80 and 76,841,461.60 is: 115,262,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,380,015.20 : 374,070,022.80 = 76,841,461.60 : x
  2. Step 2: Convert to fraction form
    249,380,015.20/374,070,022.80 = 76,841,461.60/x
  3. Step 3: Cross multiply
    249,380,015.20x = 374,070,022.80 × 76,841,461.60
  4. Step 4: Simplify right side
    249,380,015.20x = 28,744,087,292,697,324
  5. Step 5: Solve for x
    x = 28,744,087,292,697,324/249,380,015.20
  6. Step 6: Final answer
    x = 115,262,192.40

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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.