Home / 152,778,097.20-210,432,151.60-117,428,302.56

Finding the Fourth Proportional to 152,778,097.20, 210,432,151.60 and 117,428,302.56

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Solution

The fourth proportional to 152,778,097.20, 210,432,151.60 and 117,428,302.56 is: 161,742,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,778,097.20 : 210,432,151.60 = 117,428,302.56 : x
  2. Step 2: Convert to fraction form
    152,778,097.20/210,432,151.60 = 117,428,302.56/x
  3. Step 3: Cross multiply
    152,778,097.20x = 210,432,151.60 × 117,428,302.56
  4. Step 4: Simplify right side
    152,778,097.20x = 24,710,690,366,436,588
  5. Step 5: Solve for x
    x = 24,710,690,366,436,588/152,778,097.20
  6. Step 6: Final answer
    x = 161,742,362.42

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1.5x scale

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.