Finding the Fourth Proportional to 249,673,965.84, 374,658,901.12 and 139,102,185.32
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Solution
The fourth proportional to 249,673,965.84, 374,658,901.12 and 139,102,185.32 is: 208,735,707.47
Step by Step Solution
- Step 1: Write the proportion equation
249,673,965.84 : 374,658,901.12 = 139,102,185.32 : x - Step 2: Convert to fraction form
249,673,965.84/374,658,901.12 = 139,102,185.32/x - Step 3: Cross multiply
249,673,965.84x = 374,658,901.12 × 139,102,185.32 - Step 4: Simplify right side
249,673,965.84x = 52,115,871,895,381,792 - Step 5: Solve for x
x = 52,115,871,895,381,792/249,673,965.84 - Step 6: Final answer
x = 208,735,707.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.