Home / 99,355,943.15-137,111,207.87-55,301,993.63

Finding the Fourth Proportional to 99,355,943.15, 137,111,207.87 and 55,301,993.63

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Solution

The fourth proportional to 99,355,943.15, 137,111,207.87 and 55,301,993.63 is: 76,316,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,355,943.15 : 137,111,207.87 = 55,301,993.63 : x
  2. Step 2: Convert to fraction form
    99,355,943.15/137,111,207.87 = 55,301,993.63/x
  3. Step 3: Cross multiply
    99,355,943.15x = 137,111,207.87 × 55,301,993.63
  4. Step 4: Simplify right side
    99,355,943.15x = 7,582,523,144,228,346
  5. Step 5: Solve for x
    x = 7,582,523,144,228,346/99,355,943.15
  6. Step 6: Final answer
    x = 76,316,754.73

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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.