Home / 103,411,602.45-155,116,074.47-34,356,158.91

Finding the Fourth Proportional to 103,411,602.45, 155,116,074.47 and 34,356,158.91

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Solution

The fourth proportional to 103,411,602.45, 155,116,074.47 and 34,356,158.91 is: 51,533,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,411,602.45 : 155,116,074.47 = 34,356,158.91 : x
  2. Step 2: Convert to fraction form
    103,411,602.45/155,116,074.47 = 34,356,158.91/x
  3. Step 3: Cross multiply
    103,411,602.45x = 155,116,074.47 × 34,356,158.91
  4. Step 4: Simplify right side
    103,411,602.45x = 5,329,192,503,814,933
  5. Step 5: Solve for x
    x = 5,329,192,503,814,933/103,411,602.45
  6. Step 6: Final answer
    x = 51,533,796.77

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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.