Home / 145,862,361.12-218,712,762-59,661,305.76

Finding the Fourth Proportional to 145,862,361.12, 218,712,762 and 59,661,305.76

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Solution

The fourth proportional to 145,862,361.12, 218,712,762 and 59,661,305.76 is: 89,458,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,862,361.12 : 218,712,762 = 59,661,305.76 : x
  2. Step 2: Convert to fraction form
    145,862,361.12/218,712,762 = 59,661,305.76/x
  3. Step 3: Cross multiply
    145,862,361.12x = 218,712,762 × 59,661,305.76
  4. Step 4: Simplify right side
    145,862,361.12x = 13,048,688,967,296,108
  5. Step 5: Solve for x
    x = 13,048,688,967,296,108/145,862,361.12
  6. Step 6: Final answer
    x = 89,458,917.76

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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.