Home / 103,303,614.30-142,565,432.67-56,893,856.46

Finding the Fourth Proportional to 103,303,614.30, 142,565,432.67 and 56,893,856.46

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Solution

The fourth proportional to 103,303,614.30, 142,565,432.67 and 56,893,856.46 is: 78,517,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,303,614.30 : 142,565,432.67 = 56,893,856.46 : x
  2. Step 2: Convert to fraction form
    103,303,614.30/142,565,432.67 = 56,893,856.46/x
  3. Step 3: Cross multiply
    103,303,614.30x = 142,565,432.67 × 56,893,856.46
  4. Step 4: Simplify right side
    103,303,614.30x = 8,111,097,262,484,774
  5. Step 5: Solve for x
    x = 8,111,097,262,484,774/103,303,614.30
  6. Step 6: Final answer
    x = 78,517,071.43

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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.