Home / 145,152,756.63-217,760,662.83-53,036,346.70

Finding the Fourth Proportional to 145,152,756.63, 217,760,662.83 and 53,036,346.70

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Solution

The fourth proportional to 145,152,756.63, 217,760,662.83 and 53,036,346.70 is: 79,566,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,756.63 : 217,760,662.83 = 53,036,346.70 : x
  2. Step 2: Convert to fraction form
    145,152,756.63/217,760,662.83 = 53,036,346.70/x
  3. Step 3: Cross multiply
    145,152,756.63x = 217,760,662.83 × 53,036,346.70
  4. Step 4: Simplify right side
    145,152,756.63x = 11,549,230,011,473,684
  5. Step 5: Solve for x
    x = 11,549,230,011,473,684/145,152,756.63
  6. Step 6: Final answer
    x = 79,566,039.80

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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.