Home / 145,080,003.60-217,620,005.40-99,163,501.20

Finding the Fourth Proportional to 145,080,003.60, 217,620,005.40 and 99,163,501.20

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Solution

The fourth proportional to 145,080,003.60, 217,620,005.40 and 99,163,501.20 is: 148,745,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,080,003.60 : 217,620,005.40 = 99,163,501.20 : x
  2. Step 2: Convert to fraction form
    145,080,003.60/217,620,005.40 = 99,163,501.20/x
  3. Step 3: Cross multiply
    145,080,003.60x = 217,620,005.40 × 99,163,501.20
  4. Step 4: Simplify right side
    145,080,003.60x = 21,579,961,666,626,908
  5. Step 5: Solve for x
    x = 21,579,961,666,626,908/145,080,003.60
  6. Step 6: Final answer
    x = 148,745,251.80

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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.