Finding the Fourth Proportional to 249,687,293.84, 344,567,966.28 and 139,679,006.84
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Solution
The fourth proportional to 249,687,293.84, 344,567,966.28 and 139,679,006.84 is: 192,756,750.17
Step by Step Solution
- Step 1: Write the proportion equation
249,687,293.84 : 344,567,966.28 = 139,679,006.84 : x - Step 2: Convert to fraction form
249,687,293.84/344,567,966.28 = 139,679,006.84/x - Step 3: Cross multiply
249,687,293.84x = 344,567,966.28 × 139,679,006.84 - Step 4: Simplify right side
249,687,293.84x = 48,128,911,318,869,008 - Step 5: Solve for x
x = 48,128,911,318,869,008/249,687,293.84 - Step 6: Final answer
x = 192,756,750.17
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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.