Home / 104,390,854.20-156,586,281.30-87,762,655.80

Finding the Fourth Proportional to 104,390,854.20, 156,586,281.30 and 87,762,655.80

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Solution

The fourth proportional to 104,390,854.20, 156,586,281.30 and 87,762,655.80 is: 131,643,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390,854.20 : 156,586,281.30 = 87,762,655.80 : x
  2. Step 2: Convert to fraction form
    104,390,854.20/156,586,281.30 = 87,762,655.80/x
  3. Step 3: Cross multiply
    104,390,854.20x = 156,586,281.30 × 87,762,655.80
  4. Step 4: Simplify right side
    104,390,854.20x = 13,742,427,908,733,878
  5. Step 5: Solve for x
    x = 13,742,427,908,733,878/104,390,854.20
  6. Step 6: Final answer
    x = 131,643,983.70

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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.