Home / 145,332,844.80-218,041,345.36-43,099,342.80

Finding the Fourth Proportional to 145,332,844.80, 218,041,345.36 and 43,099,342.80

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Solution

The fourth proportional to 145,332,844.80, 218,041,345.36 and 43,099,342.80 is: 64,661,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,332,844.80 : 218,041,345.36 = 43,099,342.80 : x
  2. Step 2: Convert to fraction form
    145,332,844.80/218,041,345.36 = 43,099,342.80/x
  3. Step 3: Cross multiply
    145,332,844.80x = 218,041,345.36 × 43,099,342.80
  4. Step 4: Simplify right side
    145,332,844.80x = 9,397,438,688,243,830
  5. Step 5: Solve for x
    x = 9,397,438,688,243,830/145,332,844.80
  6. Step 6: Final answer
    x = 64,661,492.74

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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.