Home / 156,915,235.10-235,372,852.65-49,209,686.30

Finding the Fourth Proportional to 156,915,235.10, 235,372,852.65 and 49,209,686.30

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Solution

The fourth proportional to 156,915,235.10, 235,372,852.65 and 49,209,686.30 is: 73,814,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915,235.10 : 235,372,852.65 = 49,209,686.30 : x
  2. Step 2: Convert to fraction form
    156,915,235.10/235,372,852.65 = 49,209,686.30/x
  3. Step 3: Cross multiply
    156,915,235.10x = 235,372,852.65 × 49,209,686.30
  4. Step 4: Simplify right side
    156,915,235.10x = 11,582,624,242,442,624
  5. Step 5: Solve for x
    x = 11,582,624,242,442,624/156,915,235.10
  6. Step 6: Final answer
    x = 73,814,529.45

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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.