Home / 145,765,405.80-218,480,147.10-59,447,140.20

Finding the Fourth Proportional to 145,765,405.80, 218,480,147.10 and 59,447,140.20

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Solution

The fourth proportional to 145,765,405.80, 218,480,147.10 and 59,447,140.20 is: 89,102,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,765,405.80 : 218,480,147.10 = 59,447,140.20 : x
  2. Step 2: Convert to fraction form
    145,765,405.80/218,480,147.10 = 59,447,140.20/x
  3. Step 3: Cross multiply
    145,765,405.80x = 218,480,147.10 × 59,447,140.20
  4. Step 4: Simplify right side
    145,765,405.80x = 12,988,019,935,570,324
  5. Step 5: Solve for x
    x = 12,988,019,935,570,324/145,765,405.80
  6. Step 6: Final answer
    x = 89,102,210.94

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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.