Home / 70,116,187.96-105,652,876.18-57,616,695.64

Finding the Fourth Proportional to 70,116,187.96, 105,652,876.18 and 57,616,695.64

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Solution

The fourth proportional to 70,116,187.96, 105,652,876.18 and 57,616,695.64 is: 86,818,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116,187.96 : 105,652,876.18 = 57,616,695.64 : x
  2. Step 2: Convert to fraction form
    70,116,187.96/105,652,876.18 = 57,616,695.64/x
  3. Step 3: Cross multiply
    70,116,187.96x = 105,652,876.18 × 57,616,695.64
  4. Step 4: Simplify right side
    70,116,187.96x = 6,087,369,610,353,666
  5. Step 5: Solve for x
    x = 6,087,369,610,353,666/70,116,187.96
  6. Step 6: Final answer
    x = 86,818,319.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.