Finding the Fourth Proportional to 425,169,641.19, 637,754,469.99 and 102,053,513.19
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Solution
The fourth proportional to 425,169,641.19, 637,754,469.99 and 102,053,513.19 is: 153,080,271.75
Step by Step Solution
- Step 1: Write the proportion equation
425,169,641.19 : 637,754,469.99 = 102,053,513.19 : x - Step 2: Convert to fraction form
425,169,641.19/637,754,469.99 = 102,053,513.19/x - Step 3: Cross multiply
425,169,641.19x = 637,754,469.99 × 102,053,513.19 - Step 4: Simplify right side
425,169,641.19x = 65,085,084,214,595,656 - Step 5: Solve for x
x = 65,085,084,214,595,656/425,169,641.19 - Step 6: Final answer
x = 153,080,271.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.