Home / 113,309,082,068.31-156,368,709,728.82-61,869,681,438.48

Finding the Fourth Proportional to 113,309,082,068.31, 156,368,709,728.82 and 61,869,681,438.48

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Solution

The fourth proportional to 113,309,082,068.31, 156,368,709,728.82 and 61,869,681,438.48 is: 85,381,348,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,309,082,068.31 : 156,368,709,728.82 = 61,869,681,438.48 : x
  2. Step 2: Convert to fraction form
    113,309,082,068.31/156,368,709,728.82 = 61,869,681,438.48/x
  3. Step 3: Cross multiply
    113,309,082,068.31x = 156,368,709,728.82 × 61,869,681,438.48
  4. Step 4: Simplify right side
    113,309,082,068.31x = 9,674,482,257,868,242,288,640
  5. Step 5: Solve for x
    x = 9,674,482,257,868,242,288,640/113,309,082,068.31
  6. Step 6: Final answer
    x = 85,381,348,796.35

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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.