Home / 147,622,907.20-221,434,360.80-99,249,966.40

Finding the Fourth Proportional to 147,622,907.20, 221,434,360.80 and 99,249,966.40

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Solution

The fourth proportional to 147,622,907.20, 221,434,360.80 and 99,249,966.40 is: 148,874,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,907.20 : 221,434,360.80 = 99,249,966.40 : x
  2. Step 2: Convert to fraction form
    147,622,907.20/221,434,360.80 = 99,249,966.40/x
  3. Step 3: Cross multiply
    147,622,907.20x = 221,434,360.80 × 99,249,966.40
  4. Step 4: Simplify right side
    147,622,907.20x = 21,977,352,869,205,480
  5. Step 5: Solve for x
    x = 21,977,352,869,205,480/147,622,907.20
  6. Step 6: Final answer
    x = 148,874,949.60

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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.