Home / 137,064,643.20-205,596,964.80-131,018,025.60

Finding the Fourth Proportional to 137,064,643.20, 205,596,964.80 and 131,018,025.60

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Solution

The fourth proportional to 137,064,643.20, 205,596,964.80 and 131,018,025.60 is: 196,527,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,064,643.20 : 205,596,964.80 = 131,018,025.60 : x
  2. Step 2: Convert to fraction form
    137,064,643.20/205,596,964.80 = 131,018,025.60/x
  3. Step 3: Cross multiply
    137,064,643.20x = 205,596,964.80 × 131,018,025.60
  4. Step 4: Simplify right side
    137,064,643.20x = 26,936,908,397,448,700
  5. Step 5: Solve for x
    x = 26,936,908,397,448,700/137,064,643.20
  6. Step 6: Final answer
    x = 196,527,038.40

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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.