Home / 225,043,271.40-337,312,964.70-128,045,447.40

Finding the Fourth Proportional to 225,043,271.40, 337,312,964.70 and 128,045,447.40

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Solution

The fourth proportional to 225,043,271.40, 337,312,964.70 and 128,045,447.40 is: 191,924,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,043,271.40 : 337,312,964.70 = 128,045,447.40 : x
  2. Step 2: Convert to fraction form
    225,043,271.40/337,312,964.70 = 128,045,447.40/x
  3. Step 3: Cross multiply
    225,043,271.40x = 337,312,964.70 × 128,045,447.40
  4. Step 4: Simplify right side
    225,043,271.40x = 43,191,389,478,831,904
  5. Step 5: Solve for x
    x = 43,191,389,478,831,904/225,043,271.40
  6. Step 6: Final answer
    x = 191,924,820.55

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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.