Home / 302,516,464.80-453,774,697.20-87,127,485.60

Finding the Fourth Proportional to 302,516,464.80, 453,774,697.20 and 87,127,485.60

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Solution

The fourth proportional to 302,516,464.80, 453,774,697.20 and 87,127,485.60 is: 130,691,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516,464.80 : 453,774,697.20 = 87,127,485.60 : x
  2. Step 2: Convert to fraction form
    302,516,464.80/453,774,697.20 = 87,127,485.60/x
  3. Step 3: Cross multiply
    302,516,464.80x = 453,774,697.20 × 87,127,485.60
  4. Step 4: Simplify right side
    302,516,464.80x = 39,536,248,395,937,360
  5. Step 5: Solve for x
    x = 39,536,248,395,937,360/302,516,464.80
  6. Step 6: Final answer
    x = 130,691,228.40

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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.