Home / 91,800,693-126,687,743.40-50,549,061.60

Finding the Fourth Proportional to 91,800,693, 126,687,743.40 and 50,549,061.60

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Solution

The fourth proportional to 91,800,693, 126,687,743.40 and 50,549,061.60 is: 69,759,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800,693 : 126,687,743.40 = 50,549,061.60 : x
  2. Step 2: Convert to fraction form
    91,800,693/126,687,743.40 = 50,549,061.60/x
  3. Step 3: Cross multiply
    91,800,693x = 126,687,743.40 × 50,549,061.60
  4. Step 4: Simplify right side
    91,800,693x = 6,403,946,545,091,594
  5. Step 5: Solve for x
    x = 6,403,946,545,091,594/91,800,693
  6. Step 6: Final answer
    x = 69,759,239.67

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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.