Home / 85,905,549.42-118,549,677.54-47,274,381.42

Finding the Fourth Proportional to 85,905,549.42, 118,549,677.54 and 47,274,381.42

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Solution

The fourth proportional to 85,905,549.42, 118,549,677.54 and 47,274,381.42 is: 65,238,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905,549.42 : 118,549,677.54 = 47,274,381.42 : x
  2. Step 2: Convert to fraction form
    85,905,549.42/118,549,677.54 = 47,274,381.42/x
  3. Step 3: Cross multiply
    85,905,549.42x = 118,549,677.54 × 47,274,381.42
  4. Step 4: Simplify right side
    85,905,549.42x = 5,604,362,673,243,968
  5. Step 5: Solve for x
    x = 5,604,362,673,243,968/85,905,549.42
  6. Step 6: Final answer
    x = 65,238,657.00

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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.