Home / 48,583,443.60-72,828,509.40-28,092,128.40

Finding the Fourth Proportional to 48,583,443.60, 72,828,509.40 and 28,092,128.40

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Solution

The fourth proportional to 48,583,443.60, 72,828,509.40 and 28,092,128.40 is: 42,111,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,583,443.60 : 72,828,509.40 = 28,092,128.40 : x
  2. Step 2: Convert to fraction form
    48,583,443.60/72,828,509.40 = 28,092,128.40/x
  3. Step 3: Cross multiply
    48,583,443.60x = 72,828,509.40 × 28,092,128.40
  4. Step 4: Simplify right side
    48,583,443.60x = 2,045,907,837,245,407
  5. Step 5: Solve for x
    x = 2,045,907,837,245,407/48,583,443.60
  6. Step 6: Final answer
    x = 42,111,214.97

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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.