Home / 157,464,007.80-236,196,011.70-142,397,655.45

Finding the Fourth Proportional to 157,464,007.80, 236,196,011.70 and 142,397,655.45

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Solution

The fourth proportional to 157,464,007.80, 236,196,011.70 and 142,397,655.45 is: 213,596,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,007.80 : 236,196,011.70 = 142,397,655.45 : x
  2. Step 2: Convert to fraction form
    157,464,007.80/236,196,011.70 = 142,397,655.45/x
  3. Step 3: Cross multiply
    157,464,007.80x = 236,196,011.70 × 142,397,655.45
  4. Step 4: Simplify right side
    157,464,007.80x = 33,633,758,292,720,764
  5. Step 5: Solve for x
    x = 33,633,758,292,720,764/157,464,007.80
  6. Step 6: Final answer
    x = 213,596,483.18

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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.