Home / 283,080,686.40-424,621,029.60-91,604,462.40

Finding the Fourth Proportional to 283,080,686.40, 424,621,029.60 and 91,604,462.40

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Solution

The fourth proportional to 283,080,686.40, 424,621,029.60 and 91,604,462.40 is: 137,406,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,080,686.40 : 424,621,029.60 = 91,604,462.40 : x
  2. Step 2: Convert to fraction form
    283,080,686.40/424,621,029.60 = 91,604,462.40/x
  3. Step 3: Cross multiply
    283,080,686.40x = 424,621,029.60 × 91,604,462.40
  4. Step 4: Simplify right side
    283,080,686.40x = 38,897,181,140,242,488
  5. Step 5: Solve for x
    x = 38,897,181,140,242,488/283,080,686.40
  6. Step 6: Final answer
    x = 137,406,693.60

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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.