Home / 152,656,853.81-210,666,298.79-83,042,068.61

Finding the Fourth Proportional to 152,656,853.81, 210,666,298.79 and 83,042,068.61

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Solution

The fourth proportional to 152,656,853.81, 210,666,298.79 and 83,042,068.61 is: 114,597,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656,853.81 : 210,666,298.79 = 83,042,068.61 : x
  2. Step 2: Convert to fraction form
    152,656,853.81/210,666,298.79 = 83,042,068.61/x
  3. Step 3: Cross multiply
    152,656,853.81x = 210,666,298.79 × 83,042,068.61
  4. Step 4: Simplify right side
    152,656,853.81x = 17,494,165,238,668,210
  5. Step 5: Solve for x
    x = 17,494,165,238,668,210/152,656,853.81
  6. Step 6: Final answer
    x = 114,597,967.94

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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.