Home / 152,875,037.44-210,986,543.76-86,816,754.88

Finding the Fourth Proportional to 152,875,037.44, 210,986,543.76 and 86,816,754.88

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Solution

The fourth proportional to 152,875,037.44, 210,986,543.76 and 86,816,754.88 is: 119,817,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,875,037.44 : 210,986,543.76 = 86,816,754.88 : x
  2. Step 2: Convert to fraction form
    152,875,037.44/210,986,543.76 = 86,816,754.88/x
  3. Step 3: Cross multiply
    152,875,037.44x = 210,986,543.76 × 86,816,754.88
  4. Step 4: Simplify right side
    152,875,037.44x = 18,317,167,052,590,312
  5. Step 5: Solve for x
    x = 18,317,167,052,590,312/152,875,037.44
  6. Step 6: Final answer
    x = 119,817,907.22

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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.