Home / 314,184,631.86-470,953,583.10-139,389,983.91

Finding the Fourth Proportional to 314,184,631.86, 470,953,583.10 and 139,389,983.91

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Solution

The fourth proportional to 314,184,631.86, 470,953,583.10 and 139,389,983.91 is: 208,941,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,184,631.86 : 470,953,583.10 = 139,389,983.91 : x
  2. Step 2: Convert to fraction form
    314,184,631.86/470,953,583.10 = 139,389,983.91/x
  3. Step 3: Cross multiply
    314,184,631.86x = 470,953,583.10 × 139,389,983.91
  4. Step 4: Simplify right side
    314,184,631.86x = 65,646,212,370,665,848
  5. Step 5: Solve for x
    x = 65,646,212,370,665,848/314,184,631.86
  6. Step 6: Final answer
    x = 208,941,513.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.