Home / 103,558,165.06-142,913,297.60-56,518,255.63

Finding the Fourth Proportional to 103,558,165.06, 142,913,297.60 and 56,518,255.63

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Solution

The fourth proportional to 103,558,165.06, 142,913,297.60 and 56,518,255.63 is: 77,996,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558,165.06 : 142,913,297.60 = 56,518,255.63 : x
  2. Step 2: Convert to fraction form
    103,558,165.06/142,913,297.60 = 56,518,255.63/x
  3. Step 3: Cross multiply
    103,558,165.06x = 142,913,297.60 × 56,518,255.63
  4. Step 4: Simplify right side
    103,558,165.06x = 8,077,210,286,683,066
  5. Step 5: Solve for x
    x = 8,077,210,286,683,066/103,558,165.06
  6. Step 6: Final answer
    x = 77,996,846.33

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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.