Home / 57,202,291.40-85,803,437.10-30,328,435.40

Finding the Fourth Proportional to 57,202,291.40, 85,803,437.10 and 30,328,435.40

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Solution

The fourth proportional to 57,202,291.40, 85,803,437.10 and 30,328,435.40 is: 45,492,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202,291.40 : 85,803,437.10 = 30,328,435.40 : x
  2. Step 2: Convert to fraction form
    57,202,291.40/85,803,437.10 = 30,328,435.40/x
  3. Step 3: Cross multiply
    57,202,291.40x = 85,803,437.10 × 30,328,435.40
  4. Step 4: Simplify right side
    57,202,291.40x = 2,602,283,999,185,313
  5. Step 5: Solve for x
    x = 2,602,283,999,185,313/57,202,291.40
  6. Step 6: Final answer
    x = 45,492,653.10

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Similar ratio
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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.