Home / 90,779,735.98-125,270,931.81-51,631,036.30

Finding the Fourth Proportional to 90,779,735.98, 125,270,931.81 and 51,631,036.30

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Solution

The fourth proportional to 90,779,735.98, 125,270,931.81 and 51,631,036.30 is: 71,247,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,779,735.98 : 125,270,931.81 = 51,631,036.30 : x
  2. Step 2: Convert to fraction form
    90,779,735.98/125,270,931.81 = 51,631,036.30/x
  3. Step 3: Cross multiply
    90,779,735.98x = 125,270,931.81 × 51,631,036.30
  4. Step 4: Simplify right side
    90,779,735.98x = 6,467,868,027,616,934
  5. Step 5: Solve for x
    x = 6,467,868,027,616,934/90,779,735.98
  6. Step 6: Final answer
    x = 71,247,927.28

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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.