Finding the Fourth Proportional to 77,358,014.52, 115,997,089.68 and 22,763,504.76
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Solution
The fourth proportional to 77,358,014.52, 115,997,089.68 and 22,763,504.76 is: 34,133,506.65
Step by Step Solution
- Step 1: Write the proportion equation
77,358,014.52 : 115,997,089.68 = 22,763,504.76 : x - Step 2: Convert to fraction form
77,358,014.52/115,997,089.68 = 22,763,504.76/x - Step 3: Cross multiply
77,358,014.52x = 115,997,089.68 × 22,763,504.76 - Step 4: Simplify right side
77,358,014.52x = 2,640,500,303,076,827 - Step 5: Solve for x
x = 2,640,500,303,076,827/77,358,014.52 - Step 6: Final answer
x = 34,133,506.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.