Home / 85,540,429.68-118,048,114.10-48,376,267.45

Finding the Fourth Proportional to 85,540,429.68, 118,048,114.10 and 48,376,267.45

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Solution

The fourth proportional to 85,540,429.68, 118,048,114.10 and 48,376,267.45 is: 66,760,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,540,429.68 : 118,048,114.10 = 48,376,267.45 : x
  2. Step 2: Convert to fraction form
    85,540,429.68/118,048,114.10 = 48,376,267.45/x
  3. Step 3: Cross multiply
    85,540,429.68x = 118,048,114.10 × 48,376,267.45
  4. Step 4: Simplify right side
    85,540,429.68x = 5,710,727,139,427,835
  5. Step 5: Solve for x
    x = 5,710,727,139,427,835/85,540,429.68
  6. Step 6: Final answer
    x = 66,760,561.77

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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.