Finding the Fourth Proportional to 249,939,660.92, 344,890,473.90 and 138,427,580.48
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Solution
The fourth proportional to 249,939,660.92, 344,890,473.90 and 138,427,580.48 is: 191,015,518.13
Step by Step Solution
- Step 1: Write the proportion equation
249,939,660.92 : 344,890,473.90 = 138,427,580.48 : x - Step 2: Convert to fraction form
249,939,660.92/344,890,473.90 = 138,427,580.48/x - Step 3: Cross multiply
249,939,660.92x = 344,890,473.90 × 138,427,580.48 - Step 4: Simplify right side
249,939,660.92x = 47,742,353,832,577,584 - Step 5: Solve for x
x = 47,742,353,832,577,584/249,939,660.92 - Step 6: Final answer
x = 191,015,518.13
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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.