Finding the Fourth Proportional to 98,983,689,735.75, 136,597,484,260.21 and 53,873,739,988.71
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Solution
The fourth proportional to 98,983,689,735.75, 136,597,484,260.21 and 53,873,739,988.71 is: 74,345,757,061.52
Step by Step Solution
- Step 1: Write the proportion equation
98,983,689,735.75 : 136,597,484,260.21 = 53,873,739,988.71 : x - Step 2: Convert to fraction form
98,983,689,735.75/136,597,484,260.21 = 53,873,739,988.71/x - Step 3: Cross multiply
98,983,689,735.75x = 136,597,484,260.21 × 53,873,739,988.71 - Step 4: Simplify right side
98,983,689,735.75x = 7,359,017,350,146,460,483,584 - Step 5: Solve for x
x = 7,359,017,350,146,460,483,584/98,983,689,735.75 - Step 6: Final answer
x = 74,345,757,061.52
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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.