Home / 178,519,320.32-246,348,369.51-99,139,421.84

Finding the Fourth Proportional to 178,519,320.32, 246,348,369.51 and 99,139,421.84

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Solution

The fourth proportional to 178,519,320.32, 246,348,369.51 and 99,139,421.84 is: 136,807,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,519,320.32 : 246,348,369.51 = 99,139,421.84 : x
  2. Step 2: Convert to fraction form
    178,519,320.32/246,348,369.51 = 99,139,421.84/x
  3. Step 3: Cross multiply
    178,519,320.32x = 246,348,369.51 × 99,139,421.84
  4. Step 4: Simplify right side
    178,519,320.32x = 24,422,834,924,448,084
  5. Step 5: Solve for x
    x = 24,422,834,924,448,084/178,519,320.32
  6. Step 6: Final answer
    x = 136,807,796.94

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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.