Finding the Fourth Proportional to 249,697,633.08, 344,574,951.30 and 138,181,764.36
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Solution
The fourth proportional to 249,697,633.08, 344,574,951.30 and 138,181,764.36 is: 190,686,528.09
Step by Step Solution
- Step 1: Write the proportion equation
249,697,633.08 : 344,574,951.30 = 138,181,764.36 : x - Step 2: Convert to fraction form
249,697,633.08/344,574,951.30 = 138,181,764.36/x - Step 3: Cross multiply
249,697,633.08x = 344,574,951.30 × 138,181,764.36 - Step 4: Simplify right side
249,697,633.08x = 47,613,974,724,895,080 - Step 5: Solve for x
x = 47,613,974,724,895,080/249,697,633.08 - Step 6: Final answer
x = 190,686,528.09
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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.