Home / 102,776,886.84-141,841,072.34-56,376,108.86

Finding the Fourth Proportional to 102,776,886.84, 141,841,072.34 and 56,376,108.86

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Solution

The fourth proportional to 102,776,886.84, 141,841,072.34 and 56,376,108.86 is: 77,803,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,776,886.84 : 141,841,072.34 = 56,376,108.86 : x
  2. Step 2: Convert to fraction form
    102,776,886.84/141,841,072.34 = 56,376,108.86/x
  3. Step 3: Cross multiply
    102,776,886.84x = 141,841,072.34 × 56,376,108.86
  4. Step 4: Simplify right side
    102,776,886.84x = 7,996,447,735,058,975
  5. Step 5: Solve for x
    x = 7,996,447,735,058,975/102,776,886.84
  6. Step 6: Final answer
    x = 77,803,949.71

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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.