Home / 141,154,033,987.30-211,793,576,233.11-73,985,316,064.42

Finding the Fourth Proportional to 141,154,033,987.30, 211,793,576,233.11 and 73,985,316,064.42

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Solution

The fourth proportional to 141,154,033,987.30, 211,793,576,233.11 and 73,985,316,064.42 is: 111,010,746,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,154,033,987.30 : 211,793,576,233.11 = 73,985,316,064.42 : x
  2. Step 2: Convert to fraction form
    141,154,033,987.30/211,793,576,233.11 = 73,985,316,064.42/x
  3. Step 3: Cross multiply
    141,154,033,987.30x = 211,793,576,233.11 × 73,985,316,064.42
  4. Step 4: Simplify right side
    141,154,033,987.30x = 15,669,614,678,020,473,225,216
  5. Step 5: Solve for x
    x = 15,669,614,678,020,473,225,216/141,154,033,987.30
  6. Step 6: Final answer
    x = 111,010,746,454.69

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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.