Home / 117,035,253.28-161,508,646.58-64,827,651.98

Finding the Fourth Proportional to 117,035,253.28, 161,508,646.58 and 64,827,651.98

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Solution

The fourth proportional to 117,035,253.28, 161,508,646.58 and 64,827,651.98 is: 89,462,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,035,253.28 : 161,508,646.58 = 64,827,651.98 : x
  2. Step 2: Convert to fraction form
    117,035,253.28/161,508,646.58 = 64,827,651.98/x
  3. Step 3: Cross multiply
    117,035,253.28x = 161,508,646.58 × 64,827,651.98
  4. Step 4: Simplify right side
    117,035,253.28x = 10,470,226,332,249,058
  5. Step 5: Solve for x
    x = 10,470,226,332,249,058/117,035,253.28
  6. Step 6: Final answer
    x = 89,462,158.10

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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.