Home / 92,828,400.64-128,102,269.44-51,574,407.52

Finding the Fourth Proportional to 92,828,400.64, 128,102,269.44 and 51,574,407.52

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Solution

The fourth proportional to 92,828,400.64, 128,102,269.44 and 51,574,407.52 is: 71,172,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828,400.64 : 128,102,269.44 = 51,574,407.52 : x
  2. Step 2: Convert to fraction form
    92,828,400.64/128,102,269.44 = 51,574,407.52/x
  3. Step 3: Cross multiply
    92,828,400.64x = 128,102,269.44 × 51,574,407.52
  4. Step 4: Simplify right side
    92,828,400.64x = 6,606,798,648,335,402
  5. Step 5: Solve for x
    x = 6,606,798,648,335,402/92,828,400.64
  6. Step 6: Final answer
    x = 71,172,169.32

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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.