Home / 131,656,990.14-181,808,774.37-98,559,779.40

Finding the Fourth Proportional to 131,656,990.14, 181,808,774.37 and 98,559,779.40

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Solution

The fourth proportional to 131,656,990.14, 181,808,774.37 and 98,559,779.40 is: 136,103,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,656,990.14 : 181,808,774.37 = 98,559,779.40 : x
  2. Step 2: Convert to fraction form
    131,656,990.14/181,808,774.37 = 98,559,779.40/x
  3. Step 3: Cross multiply
    131,656,990.14x = 181,808,774.37 × 98,559,779.40
  4. Step 4: Simplify right side
    131,656,990.14x = 17,919,032,694,891,576
  5. Step 5: Solve for x
    x = 17,919,032,694,891,576/131,656,990.14
  6. Step 6: Final answer
    x = 136,103,921.83

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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.