Home / 147,642,701.40-221,397,696.90-56,736,077.40

Finding the Fourth Proportional to 147,642,701.40, 221,397,696.90 and 56,736,077.40

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Solution

The fourth proportional to 147,642,701.40, 221,397,696.90 and 56,736,077.40 is: 85,078,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,642,701.40 : 221,397,696.90 = 56,736,077.40 : x
  2. Step 2: Convert to fraction form
    147,642,701.40/221,397,696.90 = 56,736,077.40/x
  3. Step 3: Cross multiply
    147,642,701.40x = 221,397,696.90 × 56,736,077.40
  4. Step 4: Simplify right side
    147,642,701.40x = 12,561,236,867,500,140
  5. Step 5: Solve for x
    x = 12,561,236,867,500,140/147,642,701.40
  6. Step 6: Final answer
    x = 85,078,617.15

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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.