Finding the Fourth Proportional to 239,250,038.04, 358,938,854.61 and 85,897,423.08
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Solution
The fourth proportional to 239,250,038.04, 358,938,854.61 and 85,897,423.08 is: 128,869,039.72
Step by Step Solution
- Step 1: Write the proportion equation
239,250,038.04 : 358,938,854.61 = 85,897,423.08 : x - Step 2: Convert to fraction form
239,250,038.04/358,938,854.61 = 85,897,423.08/x - Step 3: Cross multiply
239,250,038.04x = 358,938,854.61 × 85,897,423.08 - Step 4: Simplify right side
239,250,038.04x = 30,831,922,654,285,780 - Step 5: Solve for x
x = 30,831,922,654,285,780/239,250,038.04 - Step 6: Final answer
x = 128,869,039.72
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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.