Finding the Fourth Proportional to 249,354,623.62, 344,109,847.62 and 139,346,336.62
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Solution
The fourth proportional to 249,354,623.62, 344,109,847.62 and 139,346,336.62 is: 192,298,205.52
Step by Step Solution
- Step 1: Write the proportion equation
249,354,623.62 : 344,109,847.62 = 139,346,336.62 : x - Step 2: Convert to fraction form
249,354,623.62/344,109,847.62 = 139,346,336.62/x - Step 3: Cross multiply
249,354,623.62x = 344,109,847.62 × 139,346,336.62 - Step 4: Simplify right side
249,354,623.62x = 47,950,446,660,713,432 - Step 5: Solve for x
x = 47,950,446,660,713,432/249,354,623.62 - Step 6: Final answer
x = 192,298,205.52
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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.