Finding the Fourth Proportional to 172,402,225.70, 237,920,115.40 and 94,090,802.00
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Solution
The fourth proportional to 172,402,225.70, 237,920,115.40 and 94,090,802.00 is: 129,848,059.55
Step by Step Solution
- Step 1: Write the proportion equation
172,402,225.70 : 237,920,115.40 = 94,090,802.00 : x - Step 2: Convert to fraction form
172,402,225.70/237,920,115.40 = 94,090,802.00/x - Step 3: Cross multiply
172,402,225.70x = 237,920,115.40 × 94,090,802.00 - Step 4: Simplify right side
172,402,225.70x = 22,386,094,468,728,952 - Step 5: Solve for x
x = 22,386,094,468,728,952/172,402,225.70 - Step 6: Final answer
x = 129,848,059.55
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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.