Home / 408,115,962.46-612,174,386.76-101,408,075.20

Finding the Fourth Proportional to 408,115,962.46, 612,174,386.76 and 101,408,075.20

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Solution

The fourth proportional to 408,115,962.46, 612,174,386.76 and 101,408,075.20 is: 152,112,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,115,962.46 : 612,174,386.76 = 101,408,075.20 : x
  2. Step 2: Convert to fraction form
    408,115,962.46/612,174,386.76 = 101,408,075.20/x
  3. Step 3: Cross multiply
    408,115,962.46x = 612,174,386.76 × 101,408,075.20
  4. Step 4: Simplify right side
    408,115,962.46x = 62,079,426,248,071,968
  5. Step 5: Solve for x
    x = 62,079,426,248,071,968/408,115,962.46
  6. Step 6: Final answer
    x = 152,112,222.89

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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.