Home / 152,660,215.44-210,670,934.52-83,045,432.16

Finding the Fourth Proportional to 152,660,215.44, 210,670,934.52 and 83,045,432.16

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Solution

The fourth proportional to 152,660,215.44, 210,670,934.52 and 83,045,432.16 is: 114,602,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,660,215.44 : 210,670,934.52 = 83,045,432.16 : x
  2. Step 2: Convert to fraction form
    152,660,215.44/210,670,934.52 = 83,045,432.16/x
  3. Step 3: Cross multiply
    152,660,215.44x = 210,670,934.52 × 83,045,432.16
  4. Step 4: Simplify right side
    152,660,215.44x = 17,495,258,800,764,462
  5. Step 5: Solve for x
    x = 17,495,258,800,764,462/152,660,215.44
  6. Step 6: Final answer
    x = 114,602,607.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.