Home / 74,871,215.40-112,306,823.10-21,018,527.40

Finding the Fourth Proportional to 74,871,215.40, 112,306,823.10 and 21,018,527.40

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Solution

The fourth proportional to 74,871,215.40, 112,306,823.10 and 21,018,527.40 is: 31,527,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,215.40 : 112,306,823.10 = 21,018,527.40 : x
  2. Step 2: Convert to fraction form
    74,871,215.40/112,306,823.10 = 21,018,527.40/x
  3. Step 3: Cross multiply
    74,871,215.40x = 112,306,823.10 × 21,018,527.40
  4. Step 4: Simplify right side
    74,871,215.40x = 2,360,524,038,534,302.50
  5. Step 5: Solve for x
    x = 2,360,524,038,534,302.50/74,871,215.40
  6. Step 6: Final answer
    x = 31,527,791.10

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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.