Home / 58,080,143.20-87,120,214.80-42,963,599.20

Finding the Fourth Proportional to 58,080,143.20, 87,120,214.80 and 42,963,599.20

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Solution

The fourth proportional to 58,080,143.20, 87,120,214.80 and 42,963,599.20 is: 64,445,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,143.20 : 87,120,214.80 = 42,963,599.20 : x
  2. Step 2: Convert to fraction form
    58,080,143.20/87,120,214.80 = 42,963,599.20/x
  3. Step 3: Cross multiply
    58,080,143.20x = 87,120,214.80 × 42,963,599.20
  4. Step 4: Simplify right side
    58,080,143.20x = 3,742,997,990,885,108.50
  5. Step 5: Solve for x
    x = 3,742,997,990,885,108.50/58,080,143.20
  6. Step 6: Final answer
    x = 64,445,398.80

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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.