Home / 51,222,913.48-70,688,176.50-28,017,530.20

Finding the Fourth Proportional to 51,222,913.48, 70,688,176.50 and 28,017,530.20

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Solution

The fourth proportional to 51,222,913.48, 70,688,176.50 and 28,017,530.20 is: 38,664,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,913.48 : 70,688,176.50 = 28,017,530.20 : x
  2. Step 2: Convert to fraction form
    51,222,913.48/70,688,176.50 = 28,017,530.20/x
  3. Step 3: Cross multiply
    51,222,913.48x = 70,688,176.50 × 28,017,530.20
  4. Step 4: Simplify right side
    51,222,913.48x = 1,980,508,119,871,680.25
  5. Step 5: Solve for x
    x = 1,980,508,119,871,680.25/51,222,913.48
  6. Step 6: Final answer
    x = 38,664,495.74

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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.