Home / 152,252,579.19-210,072,544.22-86,173,077.47

Finding the Fourth Proportional to 152,252,579.19, 210,072,544.22 and 86,173,077.47

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Solution

The fourth proportional to 152,252,579.19, 210,072,544.22 and 86,173,077.47 is: 118,898,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,252,579.19 : 210,072,544.22 = 86,173,077.47 : x
  2. Step 2: Convert to fraction form
    152,252,579.19/210,072,544.22 = 86,173,077.47/x
  3. Step 3: Cross multiply
    152,252,579.19x = 210,072,544.22 × 86,173,077.47
  4. Step 4: Simplify right side
    152,252,579.19x = 18,102,597,627,390,060
  5. Step 5: Solve for x
    x = 18,102,597,627,390,060/152,252,579.19
  6. Step 6: Final answer
    x = 118,898,462.83

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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.