Home / 152,554,394.18-210,569,867.93-99,639,191.27

Finding the Fourth Proportional to 152,554,394.18, 210,569,867.93 and 99,639,191.27

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Solution

The fourth proportional to 152,554,394.18, 210,569,867.93 and 99,639,191.27 is: 137,531,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,554,394.18 : 210,569,867.93 = 99,639,191.27 : x
  2. Step 2: Convert to fraction form
    152,554,394.18/210,569,867.93 = 99,639,191.27/x
  3. Step 3: Cross multiply
    152,554,394.18x = 210,569,867.93 × 99,639,191.27
  4. Step 4: Simplify right side
    152,554,394.18x = 20,981,011,347,151,432
  5. Step 5: Solve for x
    x = 20,981,011,347,151,432/152,554,394.18
  6. Step 6: Final answer
    x = 137,531,347.16

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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.