Finding the Fourth Proportional to 74,759,655.44, 103,148,828.52 and 43,803,192.08
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Solution
The fourth proportional to 74,759,655.44, 103,148,828.52 and 43,803,192.08 is: 60,436,981.98
Step by Step Solution
- Step 1: Write the proportion equation
74,759,655.44 : 103,148,828.52 = 43,803,192.08 : x - Step 2: Convert to fraction form
74,759,655.44/103,148,828.52 = 43,803,192.08/x - Step 3: Cross multiply
74,759,655.44x = 103,148,828.52 × 43,803,192.08 - Step 4: Simplify right side
74,759,655.44x = 4,518,247,948,488,542 - Step 5: Solve for x
x = 4,518,247,948,488,542/74,759,655.44 - Step 6: Final answer
x = 60,436,981.98
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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.