Home / 143,761,798.05-215,739,725.58-56,312,468.07

Finding the Fourth Proportional to 143,761,798.05, 215,739,725.58 and 56,312,468.07

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Solution

The fourth proportional to 143,761,798.05, 215,739,725.58 and 56,312,468.07 is: 84,506,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,761,798.05 : 215,739,725.58 = 56,312,468.07 : x
  2. Step 2: Convert to fraction form
    143,761,798.05/215,739,725.58 = 56,312,468.07/x
  3. Step 3: Cross multiply
    143,761,798.05x = 215,739,725.58 × 56,312,468.07
  4. Step 4: Simplify right side
    143,761,798.05x = 12,148,836,408,154,314
  5. Step 5: Solve for x
    x = 12,148,836,408,154,314/143,761,798.05
  6. Step 6: Final answer
    x = 84,506,708.83

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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.