Home / 103,271,652.68-142,518,378.42-56,230,550.53

Finding the Fourth Proportional to 103,271,652.68, 142,518,378.42 and 56,230,550.53

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Solution

The fourth proportional to 103,271,652.68, 142,518,378.42 and 56,230,550.53 is: 77,600,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271,652.68 : 142,518,378.42 = 56,230,550.53 : x
  2. Step 2: Convert to fraction form
    103,271,652.68/142,518,378.42 = 56,230,550.53/x
  3. Step 3: Cross multiply
    103,271,652.68x = 142,518,378.42 × 56,230,550.53
  4. Step 4: Simplify right side
    103,271,652.68x = 8,013,886,878,843,175
  5. Step 5: Solve for x
    x = 8,013,886,878,843,175/103,271,652.68
  6. Step 6: Final answer
    x = 77,600,064.21

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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.