Finding the Fourth Proportional to 249,221,831.94, 343,918,889.01 and 137,710,900.98
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Solution
The fourth proportional to 249,221,831.94, 343,918,889.01 and 137,710,900.98 is: 190,037,043.31
Step by Step Solution
- Step 1: Write the proportion equation
249,221,831.94 : 343,918,889.01 = 137,710,900.98 : x - Step 2: Convert to fraction form
249,221,831.94/343,918,889.01 = 137,710,900.98/x - Step 3: Cross multiply
249,221,831.94x = 343,918,889.01 × 137,710,900.98 - Step 4: Simplify right side
249,221,831.94x = 47,361,380,069,607,712 - Step 5: Solve for x
x = 47,361,380,069,607,712/249,221,831.94 - Step 6: Final answer
x = 190,037,043.31
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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.