Finding the Fourth Proportional to 124,803,235.04, 186,840,585.80 and 72,828,567.68
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Solution
The fourth proportional to 124,803,235.04, 186,840,585.80 and 72,828,567.68 is: 109,030,284.70
Step by Step Solution
- Step 1: Write the proportion equation
124,803,235.04 : 186,840,585.80 = 72,828,567.68 : x - Step 2: Convert to fraction form
124,803,235.04/186,840,585.80 = 72,828,567.68/x - Step 3: Cross multiply
124,803,235.04x = 186,840,585.80 × 72,828,567.68 - Step 4: Simplify right side
124,803,235.04x = 13,607,332,248,306,150 - Step 5: Solve for x
x = 13,607,332,248,306,150/124,803,235.04 - Step 6: Final answer
x = 109,030,284.70
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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.