Home / 66,390,849,011.56-91,621,556,916.42-36,316,645,323.88

Finding the Fourth Proportional to 66,390,849,011.56, 91,621,556,916.42 and 36,316,645,323.88

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Solution

The fourth proportional to 66,390,849,011.56, 91,621,556,916.42 and 36,316,645,323.88 is: 50,118,165,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,390,849,011.56 : 91,621,556,916.42 = 36,316,645,323.88 : x
  2. Step 2: Convert to fraction form
    66,390,849,011.56/91,621,556,916.42 = 36,316,645,323.88/x
  3. Step 3: Cross multiply
    66,390,849,011.56x = 91,621,556,916.42 × 36,316,645,323.88
  4. Step 4: Simplify right side
    66,390,849,011.56x = 3,327,387,586,555,309,195,264
  5. Step 5: Solve for x
    x = 3,327,387,586,555,309,195,264/66,390,849,011.56
  6. Step 6: Final answer
    x = 50,118,165,923.38

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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.