Home / 56,977,312.50-78,628,581.36-30,872,536.92

Finding the Fourth Proportional to 56,977,312.50, 78,628,581.36 and 30,872,536.92

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Solution

The fourth proportional to 56,977,312.50, 78,628,581.36 and 30,872,536.92 is: 42,604,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977,312.50 : 78,628,581.36 = 30,872,536.92 : x
  2. Step 2: Convert to fraction form
    56,977,312.50/78,628,581.36 = 30,872,536.92/x
  3. Step 3: Cross multiply
    56,977,312.50x = 78,628,581.36 × 30,872,536.92
  4. Step 4: Simplify right side
    56,977,312.50x = 2,427,463,781,003,824
  5. Step 5: Solve for x
    x = 2,427,463,781,003,824/56,977,312.50
  6. Step 6: Final answer
    x = 42,604,041.41

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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.