Home / 154,233,567.45-212,842,323-88,155,484.47

Finding the Fourth Proportional to 154,233,567.45, 212,842,323 and 88,155,484.47

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Solution

The fourth proportional to 154,233,567.45, 212,842,323 and 88,155,484.47 is: 121,654,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,233,567.45 : 212,842,323 = 88,155,484.47 : x
  2. Step 2: Convert to fraction form
    154,233,567.45/212,842,323 = 88,155,484.47/x
  3. Step 3: Cross multiply
    154,233,567.45x = 212,842,323 × 88,155,484.47
  4. Step 4: Simplify right side
    154,233,567.45x = 18,763,218,099,785,224
  5. Step 5: Solve for x
    x = 18,763,218,099,785,224/154,233,567.45
  6. Step 6: Final answer
    x = 121,654,568.52

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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.