Home / 98,050,598.10-147,075,897.15-90,660,287.70

Finding the Fourth Proportional to 98,050,598.10, 147,075,897.15 and 90,660,287.70

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Solution

The fourth proportional to 98,050,598.10, 147,075,897.15 and 90,660,287.70 is: 135,990,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,050,598.10 : 147,075,897.15 = 90,660,287.70 : x
  2. Step 2: Convert to fraction form
    98,050,598.10/147,075,897.15 = 90,660,287.70/x
  3. Step 3: Cross multiply
    98,050,598.10x = 147,075,897.15 × 90,660,287.70
  4. Step 4: Simplify right side
    98,050,598.10x = 13,333,943,149,354,612
  5. Step 5: Solve for x
    x = 13,333,943,149,354,612/98,050,598.10
  6. Step 6: Final answer
    x = 135,990,431.55

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1.5x scale

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.