Home / 208,476,869.01-287,611,852.91-120,308,313.93

Finding the Fourth Proportional to 208,476,869.01, 287,611,852.91 and 120,308,313.93

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Solution

The fourth proportional to 208,476,869.01, 287,611,852.91 and 120,308,313.93 is: 165,975,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476,869.01 : 287,611,852.91 = 120,308,313.93 : x
  2. Step 2: Convert to fraction form
    208,476,869.01/287,611,852.91 = 120,308,313.93/x
  3. Step 3: Cross multiply
    208,476,869.01x = 287,611,852.91 × 120,308,313.93
  4. Step 4: Simplify right side
    208,476,869.01x = 34,602,097,089,885,268
  5. Step 5: Solve for x
    x = 34,602,097,089,885,268/208,476,869.01
  6. Step 6: Final answer
    x = 165,975,713.54

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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.