Finding the Fourth Proportional to 98,669,705,828.48, 147,749,661,079.58 and 68,098,430,155.02
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Solution
The fourth proportional to 98,669,705,828.48, 147,749,661,079.58 and 68,098,430,155.02 is: 101,971,723,650.89
Step by Step Solution
- Step 1: Write the proportion equation
98,669,705,828.48 : 147,749,661,079.58 = 68,098,430,155.02 : x - Step 2: Convert to fraction form
98,669,705,828.48/147,749,661,079.58 = 68,098,430,155.02/x - Step 3: Cross multiply
98,669,705,828.48x = 147,749,661,079.58 × 68,098,430,155.02 - Step 4: Simplify right side
98,669,705,828.48x = 10,061,519,975,455,653,888,000 - Step 5: Solve for x
x = 10,061,519,975,455,653,888,000/98,669,705,828.48 - Step 6: Final answer
x = 101,971,723,650.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.