Home / 70,783,502.40-97,657,656.48-57,708,236.16

Finding the Fourth Proportional to 70,783,502.40, 97,657,656.48 and 57,708,236.16

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Solution

The fourth proportional to 70,783,502.40, 97,657,656.48 and 57,708,236.16 is: 79,618,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,783,502.40 : 97,657,656.48 = 57,708,236.16 : x
  2. Step 2: Convert to fraction form
    70,783,502.40/97,657,656.48 = 57,708,236.16/x
  3. Step 3: Cross multiply
    70,783,502.40x = 97,657,656.48 × 57,708,236.16
  4. Step 4: Simplify right side
    70,783,502.40x = 5,635,651,102,979,994
  5. Step 5: Solve for x
    x = 5,635,651,102,979,994/70,783,502.40
  6. Step 6: Final answer
    x = 79,618,144.23

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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.