Home / 92,853,521.16-128,002,809.76-64,889,410.56

Finding the Fourth Proportional to 92,853,521.16, 128,002,809.76 and 64,889,410.56

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Solution

The fourth proportional to 92,853,521.16, 128,002,809.76 and 64,889,410.56 is: 89,453,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853,521.16 : 128,002,809.76 = 64,889,410.56 : x
  2. Step 2: Convert to fraction form
    92,853,521.16/128,002,809.76 = 64,889,410.56/x
  3. Step 3: Cross multiply
    92,853,521.16x = 128,002,809.76 × 64,889,410.56
  4. Step 4: Simplify right side
    92,853,521.16x = 8,306,026,875,350,216
  5. Step 5: Solve for x
    x = 8,306,026,875,350,216/92,853,521.16
  6. Step 6: Final answer
    x = 89,453,009.12

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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.