Home / 262,656,020.40-393,984,030.60-98,893,460.40

Finding the Fourth Proportional to 262,656,020.40, 393,984,030.60 and 98,893,460.40

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Solution

The fourth proportional to 262,656,020.40, 393,984,030.60 and 98,893,460.40 is: 148,340,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,020.40 : 393,984,030.60 = 98,893,460.40 : x
  2. Step 2: Convert to fraction form
    262,656,020.40/393,984,030.60 = 98,893,460.40/x
  3. Step 3: Cross multiply
    262,656,020.40x = 393,984,030.60 × 98,893,460.40
  4. Step 4: Simplify right side
    262,656,020.40x = 38,962,444,128,373,496
  5. Step 5: Solve for x
    x = 38,962,444,128,373,496/262,656,020.40
  6. Step 6: Final answer
    x = 148,340,190.60

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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.