Home / 157,004,878.28-216,666,741.93-87,388,764.62

Finding the Fourth Proportional to 157,004,878.28, 216,666,741.93 and 87,388,764.62

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Solution

The fourth proportional to 157,004,878.28, 216,666,741.93 and 87,388,764.62 is: 120,596,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,004,878.28 : 216,666,741.93 = 87,388,764.62 : x
  2. Step 2: Convert to fraction form
    157,004,878.28/216,666,741.93 = 87,388,764.62/x
  3. Step 3: Cross multiply
    157,004,878.28x = 216,666,741.93 × 87,388,764.62
  4. Step 4: Simplify right side
    157,004,878.28x = 18,934,238,911,503,056
  5. Step 5: Solve for x
    x = 18,934,238,911,503,056/157,004,878.28
  6. Step 6: Final answer
    x = 120,596,500.69

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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.