Home / 155,123,744.76-214,070,667.35-84,559,489.92

Finding the Fourth Proportional to 155,123,744.76, 214,070,667.35 and 84,559,489.92

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Solution

The fourth proportional to 155,123,744.76, 214,070,667.35 and 84,559,489.92 is: 116,692,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,123,744.76 : 214,070,667.35 = 84,559,489.92 : x
  2. Step 2: Convert to fraction form
    155,123,744.76/214,070,667.35 = 84,559,489.92/x
  3. Step 3: Cross multiply
    155,123,744.76x = 214,070,667.35 × 84,559,489.92
  4. Step 4: Simplify right side
    155,123,744.76x = 18,101,706,437,527,200
  5. Step 5: Solve for x
    x = 18,101,706,437,527,200/155,123,744.76
  6. Step 6: Final answer
    x = 116,692,041.35

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1.5x scale

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.