Home / 143,144,393.58-214,316,554.23-77,329,743.75

Finding the Fourth Proportional to 143,144,393.58, 214,316,554.23 and 77,329,743.75

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Solution

The fourth proportional to 143,144,393.58, 214,316,554.23 and 77,329,743.75 is: 115,778,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,144,393.58 : 214,316,554.23 = 77,329,743.75 : x
  2. Step 2: Convert to fraction form
    143,144,393.58/214,316,554.23 = 77,329,743.75/x
  3. Step 3: Cross multiply
    143,144,393.58x = 214,316,554.23 × 77,329,743.75
  4. Step 4: Simplify right side
    143,144,393.58x = 16,573,044,219,988,878
  5. Step 5: Solve for x
    x = 16,573,044,219,988,878/143,144,393.58
  6. Step 6: Final answer
    x = 115,778,507.32

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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.