Home / 74,656,602.36-111,960,685.20-28,596,020.40

Finding the Fourth Proportional to 74,656,602.36, 111,960,685.20 and 28,596,020.40

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Solution

The fourth proportional to 74,656,602.36, 111,960,685.20 and 28,596,020.40 is: 42,884,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656,602.36 : 111,960,685.20 = 28,596,020.40 : x
  2. Step 2: Convert to fraction form
    74,656,602.36/111,960,685.20 = 28,596,020.40/x
  3. Step 3: Cross multiply
    74,656,602.36x = 111,960,685.20 × 28,596,020.40
  4. Step 4: Simplify right side
    74,656,602.36x = 3,201,630,037,977,178
  5. Step 5: Solve for x
    x = 3,201,630,037,977,178/74,656,602.36
  6. Step 6: Final answer
    x = 42,884,754.15

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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.