Finding the Fourth Proportional to 70,231,334.84, 96,923,007.06 and 39,289,658.84
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Solution
The fourth proportional to 70,231,334.84, 96,923,007.06 and 39,289,658.84 is: 54,221,835.45
Step by Step Solution
- Step 1: Write the proportion equation
70,231,334.84 : 96,923,007.06 = 39,289,658.84 : x - Step 2: Convert to fraction form
70,231,334.84/96,923,007.06 = 39,289,658.84/x - Step 3: Cross multiply
70,231,334.84x = 96,923,007.06 × 39,289,658.84 - Step 4: Simplify right side
70,231,334.84x = 3,808,071,881,134,312 - Step 5: Solve for x
x = 3,808,071,881,134,312/70,231,334.84 - Step 6: Final answer
x = 54,221,835.45
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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.