Home / 99,698,566.20-149,547,849.30-61,403,321.40

Finding the Fourth Proportional to 99,698,566.20, 149,547,849.30 and 61,403,321.40

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Solution

The fourth proportional to 99,698,566.20, 149,547,849.30 and 61,403,321.40 is: 92,104,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698,566.20 : 149,547,849.30 = 61,403,321.40 : x
  2. Step 2: Convert to fraction form
    99,698,566.20/149,547,849.30 = 61,403,321.40/x
  3. Step 3: Cross multiply
    99,698,566.20x = 149,547,849.30 × 61,403,321.40
  4. Step 4: Simplify right side
    99,698,566.20x = 9,182,734,655,246,666
  5. Step 5: Solve for x
    x = 9,182,734,655,246,666/99,698,566.20
  6. Step 6: Final answer
    x = 92,104,982.10

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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.