Home / 142,565,967.80-213,938,910.60-60,684,715.34

Finding the Fourth Proportional to 142,565,967.80, 213,938,910.60 and 60,684,715.34

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Solution

The fourth proportional to 142,565,967.80, 213,938,910.60 and 60,684,715.34 is: 91,065,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,967.80 : 213,938,910.60 = 60,684,715.34 : x
  2. Step 2: Convert to fraction form
    142,565,967.80/213,938,910.60 = 60,684,715.34/x
  3. Step 3: Cross multiply
    142,565,967.80x = 213,938,910.60 × 60,684,715.34
  4. Step 4: Simplify right side
    142,565,967.80x = 12,982,821,889,910,710
  5. Step 5: Solve for x
    x = 12,982,821,889,910,710/142,565,967.80
  6. Step 6: Final answer
    x = 91,065,364.97

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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.