Finding the Fourth Proportional to 302,778,557.07, 417,834,576.68 and 163,549,319.55
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Solution
The fourth proportional to 302,778,557.07, 417,834,576.68 and 163,549,319.55 is: 225,698,151.68
Step by Step Solution
- Step 1: Write the proportion equation
302,778,557.07 : 417,834,576.68 = 163,549,319.55 : x - Step 2: Convert to fraction form
302,778,557.07/417,834,576.68 = 163,549,319.55/x - Step 3: Cross multiply
302,778,557.07x = 417,834,576.68 × 163,549,319.55 - Step 4: Simplify right side
302,778,557.07x = 68,336,560,699,658,560 - Step 5: Solve for x
x = 68,336,560,699,658,560/302,778,557.07 - Step 6: Final answer
x = 225,698,151.68
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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.