Home / 103,271,670.62-142,518,403.24-56,230,568.47

Finding the Fourth Proportional to 103,271,670.62, 142,518,403.24 and 56,230,568.47

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Solution

The fourth proportional to 103,271,670.62, 142,518,403.24 and 56,230,568.47 is: 77,600,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271,670.62 : 142,518,403.24 = 56,230,568.47 : x
  2. Step 2: Convert to fraction form
    103,271,670.62/142,518,403.24 = 56,230,568.47/x
  3. Step 3: Cross multiply
    103,271,670.62x = 142,518,403.24 × 56,230,568.47
  4. Step 4: Simplify right side
    103,271,670.62x = 8,013,890,831,125,018
  5. Step 5: Solve for x
    x = 8,013,890,831,125,018/103,271,670.62
  6. Step 6: Final answer
    x = 77,600,089.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.