Finding the Fourth Proportional to 67,709,684.71, 93,467,971.19 and 45,712,980.87
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Solution
The fourth proportional to 67,709,684.71, 93,467,971.19 and 45,712,980.87 is: 63,103,226.63
Step by Step Solution
- Step 1: Write the proportion equation
67,709,684.71 : 93,467,971.19 = 45,712,980.87 : x - Step 2: Convert to fraction form
67,709,684.71/93,467,971.19 = 45,712,980.87/x - Step 3: Cross multiply
67,709,684.71x = 93,467,971.19 × 45,712,980.87 - Step 4: Simplify right side
67,709,684.71x = 4,272,699,578,966,181 - Step 5: Solve for x
x = 4,272,699,578,966,181/67,709,684.71 - Step 6: Final answer
x = 63,103,226.63
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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.