Finding the Fourth Proportional to 126,963,038.31, 175,031,881.28 and 85,154,574.84
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Solution
The fourth proportional to 126,963,038.31, 175,031,881.28 and 85,154,574.84 is: 117,394,523.89
Step by Step Solution
- Step 1: Write the proportion equation
126,963,038.31 : 175,031,881.28 = 85,154,574.84 : x - Step 2: Convert to fraction form
126,963,038.31/175,031,881.28 = 85,154,574.84/x - Step 3: Cross multiply
126,963,038.31x = 175,031,881.28 × 85,154,574.84 - Step 4: Simplify right side
126,963,038.31x = 14,904,765,433,417,984 - Step 5: Solve for x
x = 14,904,765,433,417,984/126,963,038.31 - Step 6: Final answer
x = 117,394,523.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.