Home / 156,065,421.64-215,370,206.34-93,341,518.12

Finding the Fourth Proportional to 156,065,421.64, 215,370,206.34 and 93,341,518.12

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Solution

The fourth proportional to 156,065,421.64, 215,370,206.34 and 93,341,518.12 is: 128,811,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,421.64 : 215,370,206.34 = 93,341,518.12 : x
  2. Step 2: Convert to fraction form
    156,065,421.64/215,370,206.34 = 93,341,518.12/x
  3. Step 3: Cross multiply
    156,065,421.64x = 215,370,206.34 × 93,341,518.12
  4. Step 4: Simplify right side
    156,065,421.64x = 20,102,982,017,593,252
  5. Step 5: Solve for x
    x = 20,102,982,017,593,252/156,065,421.64
  6. Step 6: Final answer
    x = 128,811,249.84

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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.