Home / 66,445,381.20-99,668,071.80-49,439,269.20

Finding the Fourth Proportional to 66,445,381.20, 99,668,071.80 and 49,439,269.20

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Solution

The fourth proportional to 66,445,381.20, 99,668,071.80 and 49,439,269.20 is: 74,158,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,381.20 : 99,668,071.80 = 49,439,269.20 : x
  2. Step 2: Convert to fraction form
    66,445,381.20/99,668,071.80 = 49,439,269.20/x
  3. Step 3: Cross multiply
    66,445,381.20x = 99,668,071.80 × 49,439,269.20
  4. Step 4: Simplify right side
    66,445,381.20x = 4,927,516,632,365,129
  5. Step 5: Solve for x
    x = 4,927,516,632,365,129/66,445,381.20
  6. Step 6: Final answer
    x = 74,158,903.80

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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.