Home / 245,590,800.40-368,386,200.60-215,357,712.40

Finding the Fourth Proportional to 245,590,800.40, 368,386,200.60 and 215,357,712.40

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Solution

The fourth proportional to 245,590,800.40, 368,386,200.60 and 215,357,712.40 is: 323,036,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,590,800.40 : 368,386,200.60 = 215,357,712.40 : x
  2. Step 2: Convert to fraction form
    245,590,800.40/368,386,200.60 = 215,357,712.40/x
  3. Step 3: Cross multiply
    245,590,800.40x = 368,386,200.60 × 215,357,712.40
  4. Step 4: Simplify right side
    245,590,800.40x = 79,334,809,440,943,520
  5. Step 5: Solve for x
    x = 79,334,809,440,943,520/245,590,800.40
  6. Step 6: Final answer
    x = 323,036,568.60

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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.