Home / 87,186,852.96-130,785,048.72-35,363,759.28

Finding the Fourth Proportional to 87,186,852.96, 130,785,048.72 and 35,363,759.28

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Solution

The fourth proportional to 87,186,852.96, 130,785,048.72 and 35,363,759.28 is: 53,047,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186,852.96 : 130,785,048.72 = 35,363,759.28 : x
  2. Step 2: Convert to fraction form
    87,186,852.96/130,785,048.72 = 35,363,759.28/x
  3. Step 3: Cross multiply
    87,186,852.96x = 130,785,048.72 × 35,363,759.28
  4. Step 4: Simplify right side
    87,186,852.96x = 4,625,050,980,357,152
  5. Step 5: Solve for x
    x = 4,625,050,980,357,152/87,186,852.96
  6. Step 6: Final answer
    x = 53,047,573.38

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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.