Home / 153,750,793.38-212,176,075.05-84,136,155.90

Finding the Fourth Proportional to 153,750,793.38, 212,176,075.05 and 84,136,155.90

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Solution

The fourth proportional to 153,750,793.38, 212,176,075.05 and 84,136,155.90 is: 116,107,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,750,793.38 : 212,176,075.05 = 84,136,155.90 : x
  2. Step 2: Convert to fraction form
    153,750,793.38/212,176,075.05 = 84,136,155.90/x
  3. Step 3: Cross multiply
    153,750,793.38x = 212,176,075.05 × 84,136,155.90
  4. Step 4: Simplify right side
    153,750,793.38x = 17,851,679,328,656,902
  5. Step 5: Solve for x
    x = 17,851,679,328,656,902/153,750,793.38
  6. Step 6: Final answer
    x = 116,107,884.30

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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.