Home / 77,309,140-106,683,894.84-42,501,577

Finding the Fourth Proportional to 77,309,140, 106,683,894.84 and 42,501,577

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Solution

The fourth proportional to 77,309,140, 106,683,894.84 and 42,501,577 is: 58,650,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,140 : 106,683,894.84 = 42,501,577 : x
  2. Step 2: Convert to fraction form
    77,309,140/106,683,894.84 = 42,501,577/x
  3. Step 3: Cross multiply
    77,309,140x = 106,683,894.84 × 42,501,577
  4. Step 4: Simplify right side
    77,309,140x = 4,534,233,771,202,163
  5. Step 5: Solve for x
    x = 4,534,233,771,202,163/77,309,140
  6. Step 6: Final answer
    x = 58,650,681.81

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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.