Home / 116,757,332.79-161,128,482.36-64,549,731.47

Finding the Fourth Proportional to 116,757,332.79, 161,128,482.36 and 64,549,731.47

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Solution

The fourth proportional to 116,757,332.79, 161,128,482.36 and 64,549,731.47 is: 89,080,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,757,332.79 : 161,128,482.36 = 64,549,731.47 : x
  2. Step 2: Convert to fraction form
    116,757,332.79/161,128,482.36 = 64,549,731.47/x
  3. Step 3: Cross multiply
    116,757,332.79x = 161,128,482.36 × 64,549,731.47
  4. Step 4: Simplify right side
    116,757,332.79x = 10,400,800,267,458,928
  5. Step 5: Solve for x
    x = 10,400,800,267,458,928/116,757,332.79
  6. Step 6: Final answer
    x = 89,080,488.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.