Finding the Fourth Proportional to 127,725,303.94, 176,337,486.16 and 83,749,017.62
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Solution
The fourth proportional to 127,725,303.94, 176,337,486.16 and 83,749,017.62 is: 115,623,848.84
Step by Step Solution
- Step 1: Write the proportion equation
127,725,303.94 : 176,337,486.16 = 83,749,017.62 : x - Step 2: Convert to fraction form
127,725,303.94/176,337,486.16 = 83,749,017.62/x - Step 3: Cross multiply
127,725,303.94x = 176,337,486.16 × 83,749,017.62 - Step 4: Simplify right side
127,725,303.94x = 14,768,091,235,480,346 - Step 5: Solve for x
x = 14,768,091,235,480,346/127,725,303.94 - Step 6: Final answer
x = 115,623,848.84
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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.