Finding the Fourth Proportional to 292,549,719.79, 403,719,152.88 and 158,587,221.79
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Solution
The fourth proportional to 292,549,719.79, 403,719,152.88 and 158,587,221.79 is: 218,850,658.56
Step by Step Solution
- Step 1: Write the proportion equation
292,549,719.79 : 403,719,152.88 = 158,587,221.79 : x - Step 2: Convert to fraction form
292,549,719.79/403,719,152.88 = 158,587,221.79/x - Step 3: Cross multiply
292,549,719.79x = 403,719,152.88 × 158,587,221.79 - Step 4: Simplify right side
292,549,719.79x = 64,024,698,838,651,472 - Step 5: Solve for x
x = 64,024,698,838,651,472/292,549,719.79 - Step 6: Final answer
x = 218,850,658.56
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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.