Home / 108,872,355.80-163,308,533.70-28,093,323.80

Finding the Fourth Proportional to 108,872,355.80, 163,308,533.70 and 28,093,323.80

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Solution

The fourth proportional to 108,872,355.80, 163,308,533.70 and 28,093,323.80 is: 42,139,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,355.80 : 163,308,533.70 = 28,093,323.80 : x
  2. Step 2: Convert to fraction form
    108,872,355.80/163,308,533.70 = 28,093,323.80/x
  3. Step 3: Cross multiply
    108,872,355.80x = 163,308,533.70 × 28,093,323.80
  4. Step 4: Simplify right side
    108,872,355.80x = 4,587,879,516,537,312
  5. Step 5: Solve for x
    x = 4,587,879,516,537,312/108,872,355.80
  6. Step 6: Final answer
    x = 42,139,985.70

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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.