Home / 70,124,050.71-105,186,076.97-19,006,069.52

Finding the Fourth Proportional to 70,124,050.71, 105,186,076.97 and 19,006,069.52

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Solution

The fourth proportional to 70,124,050.71, 105,186,076.97 and 19,006,069.52 is: 28,509,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,050.71 : 105,186,076.97 = 19,006,069.52 : x
  2. Step 2: Convert to fraction form
    70,124,050.71/105,186,076.97 = 19,006,069.52/x
  3. Step 3: Cross multiply
    70,124,050.71x = 105,186,076.97 × 19,006,069.52
  4. Step 4: Simplify right side
    70,124,050.71x = 1,999,173,891,164,925.50
  5. Step 5: Solve for x
    x = 1,999,173,891,164,925.50/70,124,050.71
  6. Step 6: Final answer
    x = 28,509,104.52

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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.