Finding the Fourth Proportional to 292,270,372, 438,367,763.76 and 139,013,810.08
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Solution
The fourth proportional to 292,270,372, 438,367,763.76 and 139,013,810.08 is: 208,502,738.88
Step by Step Solution
- Step 1: Write the proportion equation
292,270,372 : 438,367,763.76 = 139,013,810.08 : x - Step 2: Convert to fraction form
292,270,372/438,367,763.76 = 139,013,810.08/x - Step 3: Cross multiply
292,270,372x = 438,367,763.76 × 139,013,810.08 - Step 4: Simplify right side
292,270,372x = 60,939,173,056,526,952 - Step 5: Solve for x
x = 60,939,173,056,526,952/292,270,372 - Step 6: Final answer
x = 208,502,738.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.