Home / 154,480,004.40-231,720,006.60-46,779,985.20

Finding the Fourth Proportional to 154,480,004.40, 231,720,006.60 and 46,779,985.20

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Solution

The fourth proportional to 154,480,004.40, 231,720,006.60 and 46,779,985.20 is: 70,169,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,480,004.40 : 231,720,006.60 = 46,779,985.20 : x
  2. Step 2: Convert to fraction form
    154,480,004.40/231,720,006.60 = 46,779,985.20/x
  3. Step 3: Cross multiply
    154,480,004.40x = 231,720,006.60 × 46,779,985.20
  4. Step 4: Simplify right side
    154,480,004.40x = 10,839,858,479,291,902
  5. Step 5: Solve for x
    x = 10,839,858,479,291,902/154,480,004.40
  6. Step 6: Final answer
    x = 70,169,977.80

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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.