Home / 282,692,733.12-424,048,548.60-78,203,684.16

Finding the Fourth Proportional to 282,692,733.12, 424,048,548.60 and 78,203,684.16

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Solution

The fourth proportional to 282,692,733.12, 424,048,548.60 and 78,203,684.16 is: 117,308,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,692,733.12 : 424,048,548.60 = 78,203,684.16 : x
  2. Step 2: Convert to fraction form
    282,692,733.12/424,048,548.60 = 78,203,684.16/x
  3. Step 3: Cross multiply
    282,692,733.12x = 424,048,548.60 × 78,203,684.16
  4. Step 4: Simplify right side
    282,692,733.12x = 33,162,158,763,220,812
  5. Step 5: Solve for x
    x = 33,162,158,763,220,812/282,692,733.12
  6. Step 6: Final answer
    x = 117,308,140.17

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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.