Home / 77,712,612.59-107,241,267.43-42,904,670.51

Finding the Fourth Proportional to 77,712,612.59, 107,241,267.43 and 42,904,670.51

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Solution

The fourth proportional to 77,712,612.59, 107,241,267.43 and 42,904,670.51 is: 59,207,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,712,612.59 : 107,241,267.43 = 42,904,670.51 : x
  2. Step 2: Convert to fraction form
    77,712,612.59/107,241,267.43 = 42,904,670.51/x
  3. Step 3: Cross multiply
    77,712,612.59x = 107,241,267.43 × 42,904,670.51
  4. Step 4: Simplify right side
    77,712,612.59x = 4,601,151,244,158,945
  5. Step 5: Solve for x
    x = 4,601,151,244,158,945/77,712,612.59
  6. Step 6: Final answer
    x = 59,207,264.96

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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.