Home / 98,332,643.40-147,498,965.10-47,314,307.40

Finding the Fourth Proportional to 98,332,643.40, 147,498,965.10 and 47,314,307.40

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Solution

The fourth proportional to 98,332,643.40, 147,498,965.10 and 47,314,307.40 is: 70,971,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332,643.40 : 147,498,965.10 = 47,314,307.40 : x
  2. Step 2: Convert to fraction form
    98,332,643.40/147,498,965.10 = 47,314,307.40/x
  3. Step 3: Cross multiply
    98,332,643.40x = 147,498,965.10 × 47,314,307.40
  4. Step 4: Simplify right side
    98,332,643.40x = 6,978,811,375,923,271
  5. Step 5: Solve for x
    x = 6,978,811,375,923,271/98,332,643.40
  6. Step 6: Final answer
    x = 70,971,461.10

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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.