Home / 90,435,501.40-135,653,252.10-47,317,921.60

Finding the Fourth Proportional to 90,435,501.40, 135,653,252.10 and 47,317,921.60

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Solution

The fourth proportional to 90,435,501.40, 135,653,252.10 and 47,317,921.60 is: 70,976,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,435,501.40 : 135,653,252.10 = 47,317,921.60 : x
  2. Step 2: Convert to fraction form
    90,435,501.40/135,653,252.10 = 47,317,921.60/x
  3. Step 3: Cross multiply
    90,435,501.40x = 135,653,252.10 × 47,317,921.60
  4. Step 4: Simplify right side
    90,435,501.40x = 6,418,829,947,652,835
  5. Step 5: Solve for x
    x = 6,418,829,947,652,835/90,435,501.40
  6. Step 6: Final answer
    x = 70,976,882.40

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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.