Home / 121,114,907.10-181,714,351.05-53,006,478.30

Finding the Fourth Proportional to 121,114,907.10, 181,714,351.05 and 53,006,478.30

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Solution

The fourth proportional to 121,114,907.10, 181,714,351.05 and 53,006,478.30 is: 79,528,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,114,907.10 : 181,714,351.05 = 53,006,478.30 : x
  2. Step 2: Convert to fraction form
    121,114,907.10/181,714,351.05 = 53,006,478.30/x
  3. Step 3: Cross multiply
    121,114,907.10x = 181,714,351.05 × 53,006,478.30
  4. Step 4: Simplify right side
    121,114,907.10x = 9,632,037,805,730,408
  5. Step 5: Solve for x
    x = 9,632,037,805,730,408/121,114,907.10
  6. Step 6: Final answer
    x = 79,528,094.74

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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.