Home / 52,175,624.16-77,912,085.12-42,609,977.76

Finding the Fourth Proportional to 52,175,624.16, 77,912,085.12 and 42,609,977.76

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Solution

The fourth proportional to 52,175,624.16, 77,912,085.12 and 42,609,977.76 is: 63,628,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175,624.16 : 77,912,085.12 = 42,609,977.76 : x
  2. Step 2: Convert to fraction form
    52,175,624.16/77,912,085.12 = 42,609,977.76/x
  3. Step 3: Cross multiply
    52,175,624.16x = 77,912,085.12 × 42,609,977.76
  4. Step 4: Simplify right side
    52,175,624.16x = 3,319,832,214,198,427
  5. Step 5: Solve for x
    x = 3,319,832,214,198,427/52,175,624.16
  6. Step 6: Final answer
    x = 63,628,030.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.