Finding the Fourth Proportional to 124,480,281.18, 171,577,190.07 and 83,212,116.06
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Solution
The fourth proportional to 124,480,281.18, 171,577,190.07 and 83,212,116.06 is: 114,695,282.80
Step by Step Solution
- Step 1: Write the proportion equation
124,480,281.18 : 171,577,190.07 = 83,212,116.06 : x - Step 2: Convert to fraction form
124,480,281.18/171,577,190.07 = 83,212,116.06/x - Step 3: Cross multiply
124,480,281.18x = 171,577,190.07 × 83,212,116.06 - Step 4: Simplify right side
124,480,281.18x = 14,277,301,053,353,520 - Step 5: Solve for x
x = 14,277,301,053,353,520/124,480,281.18 - Step 6: Final answer
x = 114,695,282.80
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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.