Home / 90,219,051.28-124,503,485.16-48,966,438.16

Finding the Fourth Proportional to 90,219,051.28, 124,503,485.16 and 48,966,438.16

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Solution

The fourth proportional to 90,219,051.28, 124,503,485.16 and 48,966,438.16 is: 67,574,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,051.28 : 124,503,485.16 = 48,966,438.16 : x
  2. Step 2: Convert to fraction form
    90,219,051.28/124,503,485.16 = 48,966,438.16/x
  3. Step 3: Cross multiply
    90,219,051.28x = 124,503,485.16 × 48,966,438.16
  4. Step 4: Simplify right side
    90,219,051.28x = 6,096,492,206,791,617
  5. Step 5: Solve for x
    x = 6,096,492,206,791,617/90,219,051.28
  6. Step 6: Final answer
    x = 67,574,332.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.