Home / 145,578,048.40-218,367,072.60-69,050,544.40

Finding the Fourth Proportional to 145,578,048.40, 218,367,072.60 and 69,050,544.40

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Solution

The fourth proportional to 145,578,048.40, 218,367,072.60 and 69,050,544.40 is: 103,575,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,578,048.40 : 218,367,072.60 = 69,050,544.40 : x
  2. Step 2: Convert to fraction form
    145,578,048.40/218,367,072.60 = 69,050,544.40/x
  3. Step 3: Cross multiply
    145,578,048.40x = 218,367,072.60 × 69,050,544.40
  4. Step 4: Simplify right side
    145,578,048.40x = 15,078,365,242,064,324
  5. Step 5: Solve for x
    x = 15,078,365,242,064,324/145,578,048.40
  6. Step 6: Final answer
    x = 103,575,816.60

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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.