Finding the Fourth Proportional to 124,620,428, 171,975,767.82 and 68,864,291.84
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Solution
The fourth proportional to 124,620,428, 171,975,767.82 and 68,864,291.84 is: 95,032,489.09
Step by Step Solution
- Step 1: Write the proportion equation
124,620,428 : 171,975,767.82 = 68,864,291.84 : x - Step 2: Convert to fraction form
124,620,428/171,975,767.82 = 68,864,291.84/x - Step 3: Cross multiply
124,620,428x = 171,975,767.82 × 68,864,291.84 - Step 4: Simplify right side
124,620,428x = 11,842,989,464,564,560 - Step 5: Solve for x
x = 11,842,989,464,564,560/124,620,428 - Step 6: Final answer
x = 95,032,489.09
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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.