Finding the Fourth Proportional to 77,706,857.12, 107,249,499.84 and 46,346,916.48
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Solution
The fourth proportional to 77,706,857.12, 107,249,499.84 and 46,346,916.48 is: 63,967,116.88
Step by Step Solution
- Step 1: Write the proportion equation
77,706,857.12 : 107,249,499.84 = 46,346,916.48 : x - Step 2: Convert to fraction form
77,706,857.12/107,249,499.84 = 46,346,916.48/x - Step 3: Cross multiply
77,706,857.12x = 107,249,499.84 × 46,346,916.48 - Step 4: Simplify right side
77,706,857.12x = 4,970,683,611,606,253 - Step 5: Solve for x
x = 4,970,683,611,606,253/77,706,857.12 - Step 6: Final answer
x = 63,967,116.88
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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.