Home / 85,676,821,285.80-128,515,779,574.71-25,170,851,338.92

Finding the Fourth Proportional to 85,676,821,285.80, 128,515,779,574.71 and 25,170,851,338.92

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Solution

The fourth proportional to 85,676,821,285.80, 128,515,779,574.71 and 25,170,851,338.92 is: 37,756,437,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,676,821,285.80 : 128,515,779,574.71 = 25,170,851,338.92 : x
  2. Step 2: Convert to fraction form
    85,676,821,285.80/128,515,779,574.71 = 25,170,851,338.92/x
  3. Step 3: Cross multiply
    85,676,821,285.80x = 128,515,779,574.71 × 25,170,851,338.92
  4. Step 4: Simplify right side
    85,676,821,285.80x = 3,234,851,582,380,694,044,672
  5. Step 5: Solve for x
    x = 3,234,851,582,380,694,044,672/85,676,821,285.80
  6. Step 6: Final answer
    x = 37,756,437,900.40

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1.5x scale

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.