Home / 72,506,155.96-100,061,135.58-39,464,809.36

Finding the Fourth Proportional to 72,506,155.96, 100,061,135.58 and 39,464,809.36

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Solution

The fourth proportional to 72,506,155.96, 100,061,135.58 and 39,464,809.36 is: 54,462,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,506,155.96 : 100,061,135.58 = 39,464,809.36 : x
  2. Step 2: Convert to fraction form
    72,506,155.96/100,061,135.58 = 39,464,809.36/x
  3. Step 3: Cross multiply
    72,506,155.96x = 100,061,135.58 × 39,464,809.36
  4. Step 4: Simplify right side
    72,506,155.96x = 3,948,893,640,009,813
  5. Step 5: Solve for x
    x = 3,948,893,640,009,813/72,506,155.96
  6. Step 6: Final answer
    x = 54,462,874.05

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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.