Finding the Fourth Proportional to 249,513,424.60, 374,214,149.70 and 163,853,008.60
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Solution
The fourth proportional to 249,513,424.60, 374,214,149.70 and 163,853,008.60 is: 245,742,746.66
Step by Step Solution
- Step 1: Write the proportion equation
249,513,424.60 : 374,214,149.70 = 163,853,008.60 : x - Step 2: Convert to fraction form
249,513,424.60/374,214,149.70 = 163,853,008.60/x - Step 3: Cross multiply
249,513,424.60x = 374,214,149.70 × 163,853,008.60 - Step 4: Simplify right side
249,513,424.60x = 61,316,114,289,035,784 - Step 5: Solve for x
x = 61,316,114,289,035,784/249,513,424.60 - Step 6: Final answer
x = 245,742,746.66
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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.