Finding the Fourth Proportional to 86,599,134.09, 119,506,798.47 and 51,791,823.48
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Solution
The fourth proportional to 86,599,134.09, 119,506,798.47 and 51,791,823.48 is: 71,472,712.47
Step by Step Solution
- Step 1: Write the proportion equation
86,599,134.09 : 119,506,798.47 = 51,791,823.48 : x - Step 2: Convert to fraction form
86,599,134.09/119,506,798.47 = 51,791,823.48/x - Step 3: Cross multiply
86,599,134.09x = 119,506,798.47 × 51,791,823.48 - Step 4: Simplify right side
86,599,134.09x = 6,189,475,011,018,174 - Step 5: Solve for x
x = 6,189,475,011,018,174/86,599,134.09 - Step 6: Final answer
x = 71,472,712.47
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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.