Home / 142,565,966.30-213,938,908.35-60,684,713.84

Finding the Fourth Proportional to 142,565,966.30, 213,938,908.35 and 60,684,713.84

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Solution

The fourth proportional to 142,565,966.30, 213,938,908.35 and 60,684,713.84 is: 91,065,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,966.30 : 213,938,908.35 = 60,684,713.84 : x
  2. Step 2: Convert to fraction form
    142,565,966.30/213,938,908.35 = 60,684,713.84/x
  3. Step 3: Cross multiply
    142,565,966.30x = 213,938,908.35 × 60,684,713.84
  4. Step 4: Simplify right side
    142,565,966.30x = 12,982,821,432,461,736
  5. Step 5: Solve for x
    x = 12,982,821,432,461,736/142,565,966.30
  6. Step 6: Final answer
    x = 91,065,362.72

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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.