Home / 100,442,349,400.80-150,663,524,101.20-40,779,594,094.80

Finding the Fourth Proportional to 100,442,349,400.80, 150,663,524,101.20 and 40,779,594,094.80

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Solution

The fourth proportional to 100,442,349,400.80, 150,663,524,101.20 and 40,779,594,094.80 is: 61,169,391,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,442,349,400.80 : 150,663,524,101.20 = 40,779,594,094.80 : x
  2. Step 2: Convert to fraction form
    100,442,349,400.80/150,663,524,101.20 = 40,779,594,094.80/x
  3. Step 3: Cross multiply
    100,442,349,400.80x = 150,663,524,101.20 × 40,779,594,094.80
  4. Step 4: Simplify right side
    100,442,349,400.80x = 6,143,997,357,739,054,465,024
  5. Step 5: Solve for x
    x = 6,143,997,357,739,054,465,024/100,442,349,400.80
  6. Step 6: Final answer
    x = 61,169,391,142.20

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1.5x scale

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.