Home / 92,925,081.72-128,231,345.52-51,671,088.36

Finding the Fourth Proportional to 92,925,081.72, 128,231,345.52 and 51,671,088.36

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Solution

The fourth proportional to 92,925,081.72, 128,231,345.52 and 51,671,088.36 is: 71,303,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925,081.72 : 128,231,345.52 = 51,671,088.36 : x
  2. Step 2: Convert to fraction form
    92,925,081.72/128,231,345.52 = 51,671,088.36/x
  3. Step 3: Cross multiply
    92,925,081.72x = 128,231,345.52 × 51,671,088.36
  4. Step 4: Simplify right side
    92,925,081.72x = 6,625,853,184,885,610
  5. Step 5: Solve for x
    x = 6,625,853,184,885,610/92,925,081.72
  6. Step 6: Final answer
    x = 71,303,173.07

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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.