Home / 66,430,501.20-99,645,751.80-49,211,812.80

Finding the Fourth Proportional to 66,430,501.20, 99,645,751.80 and 49,211,812.80

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Solution

The fourth proportional to 66,430,501.20, 99,645,751.80 and 49,211,812.80 is: 73,817,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,501.20 : 99,645,751.80 = 49,211,812.80 : x
  2. Step 2: Convert to fraction form
    66,430,501.20/99,645,751.80 = 49,211,812.80/x
  3. Step 3: Cross multiply
    66,430,501.20x = 99,645,751.80 × 49,211,812.80
  4. Step 4: Simplify right side
    66,430,501.20x = 4,903,748,083,896,863
  5. Step 5: Solve for x
    x = 4,903,748,083,896,863/66,430,501.20
  6. Step 6: Final answer
    x = 73,817,719.20

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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.