Home / 152,816,253.57-210,891,619.23-85,847,039.16

Finding the Fourth Proportional to 152,816,253.57, 210,891,619.23 and 85,847,039.16

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Solution

The fourth proportional to 152,816,253.57, 210,891,619.23 and 85,847,039.16 is: 118,471,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,816,253.57 : 210,891,619.23 = 85,847,039.16 : x
  2. Step 2: Convert to fraction form
    152,816,253.57/210,891,619.23 = 85,847,039.16/x
  3. Step 3: Cross multiply
    152,816,253.57x = 210,891,619.23 × 85,847,039.16
  4. Step 4: Simplify right side
    152,816,253.57x = 18,104,421,094,553,616
  5. Step 5: Solve for x
    x = 18,104,421,094,553,616/152,816,253.57
  6. Step 6: Final answer
    x = 118,471,829.22

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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.