Home / 157,260,520.84-217,026,908.40-87,646,400.32

Finding the Fourth Proportional to 157,260,520.84, 217,026,908.40 and 87,646,400.32

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Solution

The fourth proportional to 157,260,520.84, 217,026,908.40 and 87,646,400.32 is: 120,956,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,260,520.84 : 217,026,908.40 = 87,646,400.32 : x
  2. Step 2: Convert to fraction form
    157,260,520.84/217,026,908.40 = 87,646,400.32/x
  3. Step 3: Cross multiply
    157,260,520.84x = 217,026,908.40 × 87,646,400.32
  4. Step 4: Simplify right side
    157,260,520.84x = 19,021,627,293,838,368
  5. Step 5: Solve for x
    x = 19,021,627,293,838,368/157,260,520.84
  6. Step 6: Final answer
    x = 120,956,150.93

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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.