Finding the Fourth Proportional to 67,819,567.76, 93,588,177.70 and 38,452,885.08
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Solution
The fourth proportional to 67,819,567.76, 93,588,177.70 and 38,452,885.08 is: 53,063,379.21
Step by Step Solution
- Step 1: Write the proportion equation
67,819,567.76 : 93,588,177.70 = 38,452,885.08 : x - Step 2: Convert to fraction form
67,819,567.76/93,588,177.70 = 38,452,885.08/x - Step 3: Cross multiply
67,819,567.76x = 93,588,177.70 × 38,452,885.08 - Step 4: Simplify right side
67,819,567.76x = 3,598,735,441,944,718.50 - Step 5: Solve for x
x = 3,598,735,441,944,718.50/67,819,567.76 - Step 6: Final answer
x = 53,063,379.21
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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.