Home / 70,116,130.64-105,652,789.63-57,616,638.32

Finding the Fourth Proportional to 70,116,130.64, 105,652,789.63 and 57,616,638.32

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Solution

The fourth proportional to 70,116,130.64, 105,652,789.63 and 57,616,638.32 is: 86,818,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116,130.64 : 105,652,789.63 = 57,616,638.32 : x
  2. Step 2: Convert to fraction form
    70,116,130.64/105,652,789.63 = 57,616,638.32/x
  3. Step 3: Cross multiply
    70,116,130.64x = 105,652,789.63 × 57,616,638.32
  4. Step 4: Simplify right side
    70,116,130.64x = 6,087,358,567,730,847
  5. Step 5: Solve for x
    x = 6,087,358,567,730,847/70,116,130.64
  6. Step 6: Final answer
    x = 86,818,233.01

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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.