Home / 90,801,869,294.64-125,310,386,466.42-52,220,819,295.52

Finding the Fourth Proportional to 90,801,869,294.64, 125,310,386,466.42 and 52,220,819,295.52

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Solution

The fourth proportional to 90,801,869,294.64, 125,310,386,466.42 and 52,220,819,295.52 is: 72,066,919,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801,869,294.64 : 125,310,386,466.42 = 52,220,819,295.52 : x
  2. Step 2: Convert to fraction form
    90,801,869,294.64/125,310,386,466.42 = 52,220,819,295.52/x
  3. Step 3: Cross multiply
    90,801,869,294.64x = 125,310,386,466.42 × 52,220,819,295.52
  4. Step 4: Simplify right side
    90,801,869,294.64x = 6,543,811,047,514,693,435,392
  5. Step 5: Solve for x
    x = 6,543,811,047,514,693,435,392/90,801,869,294.64
  6. Step 6: Final answer
    x = 72,066,919,969.25

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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.