Home / 277,609,898.40-416,116,249.20-105,020,023.20

Finding the Fourth Proportional to 277,609,898.40, 416,116,249.20 and 105,020,023.20

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Solution

The fourth proportional to 277,609,898.40, 416,116,249.20 and 105,020,023.20 is: 157,417,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,609,898.40 : 416,116,249.20 = 105,020,023.20 : x
  2. Step 2: Convert to fraction form
    277,609,898.40/416,116,249.20 = 105,020,023.20/x
  3. Step 3: Cross multiply
    277,609,898.40x = 416,116,249.20 × 105,020,023.20
  4. Step 4: Simplify right side
    277,609,898.40x = 43,700,538,144,880,984
  5. Step 5: Solve for x
    x = 43,700,538,144,880,984/277,609,898.40
  6. Step 6: Final answer
    x = 157,417,074.81

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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.