Finding the Fourth Proportional to 127,725,305.95, 176,337,488.91 and 83,749,019.62
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Solution
The fourth proportional to 127,725,305.95, 176,337,488.91 and 83,749,019.62 is: 115,623,851.58
Step by Step Solution
- Step 1: Write the proportion equation
127,725,305.95 : 176,337,488.91 = 83,749,019.62 : x - Step 2: Convert to fraction form
127,725,305.95/176,337,488.91 = 83,749,019.62/x - Step 3: Cross multiply
127,725,305.95x = 176,337,488.91 × 83,749,019.62 - Step 4: Simplify right side
127,725,305.95x = 14,768,091,818,465,122 - Step 5: Solve for x
x = 14,768,091,818,465,122/127,725,305.95 - Step 6: Final answer
x = 115,623,851.58
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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.