Home / 57,215,352.51-78,956,637.57-31,109,875.70

Finding the Fourth Proportional to 57,215,352.51, 78,956,637.57 and 31,109,875.70

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Solution

The fourth proportional to 57,215,352.51, 78,956,637.57 and 31,109,875.70 is: 42,931,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215,352.51 : 78,956,637.57 = 31,109,875.70 : x
  2. Step 2: Convert to fraction form
    57,215,352.51/78,956,637.57 = 31,109,875.70/x
  3. Step 3: Cross multiply
    57,215,352.51x = 78,956,637.57 × 31,109,875.70
  4. Step 4: Simplify right side
    57,215,352.51x = 2,456,331,180,097,866.50
  5. Step 5: Solve for x
    x = 2,456,331,180,097,866.50/57,215,352.51
  6. Step 6: Final answer
    x = 42,931,330.01

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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.