Finding the Fourth Proportional to 42,129,001.44, 63,091,345.68 and 29,138,694.48
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Solution
The fourth proportional to 42,129,001.44, 63,091,345.68 and 29,138,694.48 is: 43,637,384.78
Step by Step Solution
- Step 1: Write the proportion equation
42,129,001.44 : 63,091,345.68 = 29,138,694.48 : x - Step 2: Convert to fraction form
42,129,001.44/63,091,345.68 = 29,138,694.48/x - Step 3: Cross multiply
42,129,001.44x = 63,091,345.68 × 29,138,694.48 - Step 4: Simplify right side
42,129,001.44x = 1,838,399,446,101,587.75 - Step 5: Solve for x
x = 1,838,399,446,101,587.75/42,129,001.44 - Step 6: Final answer
x = 43,637,384.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.