Home / 249,505,403.56-374,121,111.60-76,934,307.40

Finding the Fourth Proportional to 249,505,403.56, 374,121,111.60 and 76,934,307.40

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Solution

The fourth proportional to 249,505,403.56, 374,121,111.60 and 76,934,307.40 is: 115,359,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,505,403.56 : 374,121,111.60 = 76,934,307.40 : x
  2. Step 2: Convert to fraction form
    249,505,403.56/374,121,111.60 = 76,934,307.40/x
  3. Step 3: Cross multiply
    249,505,403.56x = 374,121,111.60 × 76,934,307.40
  4. Step 4: Simplify right side
    249,505,403.56x = 28,782,748,604,664,108
  5. Step 5: Solve for x
    x = 28,782,748,604,664,108/249,505,403.56
  6. Step 6: Final answer
    x = 115,359,219.46

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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.