Home / 99,129,703.40-148,694,555.10-88,075,730.60

Finding the Fourth Proportional to 99,129,703.40, 148,694,555.10 and 88,075,730.60

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Solution

The fourth proportional to 99,129,703.40, 148,694,555.10 and 88,075,730.60 is: 132,113,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,129,703.40 : 148,694,555.10 = 88,075,730.60 : x
  2. Step 2: Convert to fraction form
    99,129,703.40/148,694,555.10 = 88,075,730.60/x
  3. Step 3: Cross multiply
    99,129,703.40x = 148,694,555.10 × 88,075,730.60
  4. Step 4: Simplify right side
    99,129,703.40x = 13,096,381,576,674,454
  5. Step 5: Solve for x
    x = 13,096,381,576,674,454/99,129,703.40
  6. Step 6: Final answer
    x = 132,113,595.90

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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.