Home / 75,692,237.70-104,455,329.80-40,884,928.10

Finding the Fourth Proportional to 75,692,237.70, 104,455,329.80 and 40,884,928.10

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Solution

The fourth proportional to 75,692,237.70, 104,455,329.80 and 40,884,928.10 is: 56,421,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692,237.70 : 104,455,329.80 = 40,884,928.10 : x
  2. Step 2: Convert to fraction form
    75,692,237.70/104,455,329.80 = 40,884,928.10/x
  3. Step 3: Cross multiply
    75,692,237.70x = 104,455,329.80 × 40,884,928.10
  4. Step 4: Simplify right side
    75,692,237.70x = 4,270,648,648,534,787.50
  5. Step 5: Solve for x
    x = 4,270,648,648,534,787.50/75,692,237.70
  6. Step 6: Final answer
    x = 56,421,223.34

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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.