Home / 99,031,690.80-148,547,536.20-34,313,986.80

Finding the Fourth Proportional to 99,031,690.80, 148,547,536.20 and 34,313,986.80

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Solution

The fourth proportional to 99,031,690.80, 148,547,536.20 and 34,313,986.80 is: 51,470,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031,690.80 : 148,547,536.20 = 34,313,986.80 : x
  2. Step 2: Convert to fraction form
    99,031,690.80/148,547,536.20 = 34,313,986.80/x
  3. Step 3: Cross multiply
    99,031,690.80x = 148,547,536.20 × 34,313,986.80
  4. Step 4: Simplify right side
    99,031,690.80x = 5,097,258,196,339,321
  5. Step 5: Solve for x
    x = 5,097,258,196,339,321/99,031,690.80
  6. Step 6: Final answer
    x = 51,470,980.20

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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.