Home / 90,528,698.76-135,791,720.52-22,371,391.32

Finding the Fourth Proportional to 90,528,698.76, 135,791,720.52 and 22,371,391.32

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Solution

The fourth proportional to 90,528,698.76, 135,791,720.52 and 22,371,391.32 is: 33,556,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528,698.76 : 135,791,720.52 = 22,371,391.32 : x
  2. Step 2: Convert to fraction form
    90,528,698.76/135,791,720.52 = 22,371,391.32/x
  3. Step 3: Cross multiply
    90,528,698.76x = 135,791,720.52 × 22,371,391.32
  4. Step 4: Simplify right side
    90,528,698.76x = 3,037,849,717,768,994
  5. Step 5: Solve for x
    x = 3,037,849,717,768,994/90,528,698.76
  6. Step 6: Final answer
    x = 33,556,758.90

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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.