Home / 289,868,432.76-435,075,064.29-151,793,145.18

Finding the Fourth Proportional to 289,868,432.76, 435,075,064.29 and 151,793,145.18

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Solution

The fourth proportional to 289,868,432.76, 435,075,064.29 and 151,793,145.18 is: 227,832,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,868,432.76 : 435,075,064.29 = 151,793,145.18 : x
  2. Step 2: Convert to fraction form
    289,868,432.76/435,075,064.29 = 151,793,145.18/x
  3. Step 3: Cross multiply
    289,868,432.76x = 435,075,064.29 × 151,793,145.18
  4. Step 4: Simplify right side
    289,868,432.76x = 66,041,412,397,969,808
  5. Step 5: Solve for x
    x = 66,041,412,397,969,808/289,868,432.76
  6. Step 6: Final answer
    x = 227,832,371.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.