Home / 211,221,187,786.92-316,833,742,878.12-60,127,483,861.92

Finding the Fourth Proportional to 211,221,187,786.92, 316,833,742,878.12 and 60,127,483,861.92

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Solution

The fourth proportional to 211,221,187,786.92, 316,833,742,878.12 and 60,127,483,861.92 is: 90,191,784,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,221,187,786.92 : 316,833,742,878.12 = 60,127,483,861.92 : x
  2. Step 2: Convert to fraction form
    211,221,187,786.92/316,833,742,878.12 = 60,127,483,861.92/x
  3. Step 3: Cross multiply
    211,221,187,786.92x = 316,833,742,878.12 × 60,127,483,861.92
  4. Step 4: Simplify right side
    211,221,187,786.92x = 19,050,415,761,815,869,849,600
  5. Step 5: Solve for x
    x = 19,050,415,761,815,869,849,600/211,221,187,786.92
  6. Step 6: Final answer
    x = 90,191,784,079.13

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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.