Home / 100,822,047.40-151,233,071.10-49,728,543.40

Finding the Fourth Proportional to 100,822,047.40, 151,233,071.10 and 49,728,543.40

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Solution

The fourth proportional to 100,822,047.40, 151,233,071.10 and 49,728,543.40 is: 74,592,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822,047.40 : 151,233,071.10 = 49,728,543.40 : x
  2. Step 2: Convert to fraction form
    100,822,047.40/151,233,071.10 = 49,728,543.40/x
  3. Step 3: Cross multiply
    100,822,047.40x = 151,233,071.10 × 49,728,543.40
  4. Step 4: Simplify right side
    100,822,047.40x = 7,520,600,339,711,635
  5. Step 5: Solve for x
    x = 7,520,600,339,711,635/100,822,047.40
  6. Step 6: Final answer
    x = 74,592,815.10

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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.