Home / 85,525,866.40-118,042,842-50,737,866.40

Finding the Fourth Proportional to 85,525,866.40, 118,042,842 and 50,737,866.40

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Solution

The fourth proportional to 85,525,866.40, 118,042,842 and 50,737,866.40 is: 70,028,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525,866.40 : 118,042,842 = 50,737,866.40 : x
  2. Step 2: Convert to fraction form
    85,525,866.40/118,042,842 = 50,737,866.40/x
  3. Step 3: Cross multiply
    85,525,866.40x = 118,042,842 × 50,737,866.40
  4. Step 4: Simplify right side
    85,525,866.40x = 5,989,241,946,872,309
  5. Step 5: Solve for x
    x = 5,989,241,946,872,309/85,525,866.40
  6. Step 6: Final answer
    x = 70,028,427.64

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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.