Home / 124,573,703.90-186,804,568.65-47,871,239.90

Finding the Fourth Proportional to 124,573,703.90, 186,804,568.65 and 47,871,239.90

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Solution

The fourth proportional to 124,573,703.90, 186,804,568.65 and 47,871,239.90 is: 71,785,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573,703.90 : 186,804,568.65 = 47,871,239.90 : x
  2. Step 2: Convert to fraction form
    124,573,703.90/186,804,568.65 = 47,871,239.90/x
  3. Step 3: Cross multiply
    124,573,703.90x = 186,804,568.65 × 47,871,239.90
  4. Step 4: Simplify right side
    124,573,703.90x = 8,942,566,320,260,169
  5. Step 5: Solve for x
    x = 8,942,566,320,260,169/124,573,703.90
  6. Step 6: Final answer
    x = 71,785,345.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.