Finding the Fourth Proportional to 124,892,072.91, 172,352,424.24 and 69,138,424.60
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Solution
The fourth proportional to 124,892,072.91, 172,352,424.24 and 69,138,424.60 is: 95,411,780.83
Step by Step Solution
- Step 1: Write the proportion equation
124,892,072.91 : 172,352,424.24 = 69,138,424.60 : x - Step 2: Convert to fraction form
124,892,072.91/172,352,424.24 = 69,138,424.60/x - Step 3: Cross multiply
124,892,072.91x = 172,352,424.24 × 69,138,424.60 - Step 4: Simplify right side
124,892,072.91x = 11,916,175,087,513,572 - Step 5: Solve for x
x = 11,916,175,087,513,572/124,892,072.91 - Step 6: Final answer
x = 95,411,780.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.