Home / 30,328,534.60-45,492,801.90-30,139,577.80

Finding the Fourth Proportional to 30,328,534.60, 45,492,801.90 and 30,139,577.80

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Solution

The fourth proportional to 30,328,534.60, 45,492,801.90 and 30,139,577.80 is: 45,209,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,534.60 : 45,492,801.90 = 30,139,577.80 : x
  2. Step 2: Convert to fraction form
    30,328,534.60/45,492,801.90 = 30,139,577.80/x
  3. Step 3: Cross multiply
    30,328,534.60x = 45,492,801.90 × 30,139,577.80
  4. Step 4: Simplify right side
    30,328,534.60x = 1,371,133,842,205,037.75
  5. Step 5: Solve for x
    x = 1,371,133,842,205,037.75/30,328,534.60
  6. Step 6: Final answer
    x = 45,209,366.70

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1.5x scale

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.