Home / 145,206,464.80-217,544,276.40-118,133,543.20

Finding the Fourth Proportional to 145,206,464.80, 217,544,276.40 and 118,133,543.20

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Solution

The fourth proportional to 145,206,464.80, 217,544,276.40 and 118,133,543.20 is: 176,984,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,206,464.80 : 217,544,276.40 = 118,133,543.20 : x
  2. Step 2: Convert to fraction form
    145,206,464.80/217,544,276.40 = 118,133,543.20/x
  3. Step 3: Cross multiply
    145,206,464.80x = 217,544,276.40 × 118,133,543.20
  4. Step 4: Simplify right side
    145,206,464.80x = 25,699,276,174,012,140
  5. Step 5: Solve for x
    x = 25,699,276,174,012,140/145,206,464.80
  6. Step 6: Final answer
    x = 176,984,380.20

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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.