Home / 80,744,721.10-121,117,081.65-37,698,000.10

Finding the Fourth Proportional to 80,744,721.10, 121,117,081.65 and 37,698,000.10

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Solution

The fourth proportional to 80,744,721.10, 121,117,081.65 and 37,698,000.10 is: 56,547,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744,721.10 : 121,117,081.65 = 37,698,000.10 : x
  2. Step 2: Convert to fraction form
    80,744,721.10/121,117,081.65 = 37,698,000.10/x
  3. Step 3: Cross multiply
    80,744,721.10x = 121,117,081.65 × 37,698,000.10
  4. Step 4: Simplify right side
    80,744,721.10x = 4,565,871,756,153,409
  5. Step 5: Solve for x
    x = 4,565,871,756,153,409/80,744,721.10
  6. Step 6: Final answer
    x = 56,547,000.15

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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.