Home / 85,953,612.40-128,646,983.40-60,444,444.40

Finding the Fourth Proportional to 85,953,612.40, 128,646,983.40 and 60,444,444.40

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Solution

The fourth proportional to 85,953,612.40, 128,646,983.40 and 60,444,444.40 is: 90,467,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953,612.40 : 128,646,983.40 = 60,444,444.40 : x
  2. Step 2: Convert to fraction form
    85,953,612.40/128,646,983.40 = 60,444,444.40/x
  3. Step 3: Cross multiply
    85,953,612.40x = 128,646,983.40 × 60,444,444.40
  4. Step 4: Simplify right side
    85,953,612.40x = 7,775,995,435,349,023
  5. Step 5: Solve for x
    x = 7,775,995,435,349,023/85,953,612.40
  6. Step 6: Final answer
    x = 90,467,348.82

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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.