Finding the Fourth Proportional to 302,778,855.63, 417,834,988.97 and 163,549,618.65
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Solution
The fourth proportional to 302,778,855.63, 417,834,988.97 and 163,549,618.65 is: 225,698,564.59
Step by Step Solution
- Step 1: Write the proportion equation
302,778,855.63 : 417,834,988.97 = 163,549,618.65 : x - Step 2: Convert to fraction form
302,778,855.63/417,834,988.97 = 163,549,618.65/x - Step 3: Cross multiply
302,778,855.63x = 417,834,988.97 × 163,549,618.65 - Step 4: Simplify right side
302,778,855.63x = 68,336,753,103,852,704 - Step 5: Solve for x
x = 68,336,753,103,852,704/302,778,855.63 - Step 6: Final answer
x = 225,698,564.59
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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.