Finding the Fourth Proportional to 292,113,106.08, 438,251,575.84 and 117,358,854.80
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Solution
The fourth proportional to 292,113,106.08, 438,251,575.84 and 117,358,854.80 is: 176,071,192.92
Step by Step Solution
- Step 1: Write the proportion equation
292,113,106.08 : 438,251,575.84 = 117,358,854.80 : x - Step 2: Convert to fraction form
292,113,106.08/438,251,575.84 = 117,358,854.80/x - Step 3: Cross multiply
292,113,106.08x = 438,251,575.84 × 117,358,854.80 - Step 4: Simplify right side
292,113,106.08x = 51,432,703,054,877,744 - Step 5: Solve for x
x = 51,432,703,054,877,744/292,113,106.08 - Step 6: Final answer
x = 176,071,192.92
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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.