Home / 99,698,569.20-149,547,853.80-61,403,324.40

Finding the Fourth Proportional to 99,698,569.20, 149,547,853.80 and 61,403,324.40

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Solution

The fourth proportional to 99,698,569.20, 149,547,853.80 and 61,403,324.40 is: 92,104,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698,569.20 : 149,547,853.80 = 61,403,324.40 : x
  2. Step 2: Convert to fraction form
    99,698,569.20/149,547,853.80 = 61,403,324.40/x
  3. Step 3: Cross multiply
    99,698,569.20x = 149,547,853.80 × 61,403,324.40
  4. Step 4: Simplify right side
    99,698,569.20x = 9,182,735,380,205,174
  5. Step 5: Solve for x
    x = 9,182,735,380,205,174/99,698,569.20
  6. Step 6: Final answer
    x = 92,104,986.60

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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.