Home / 102,384,807.90-153,577,211.85-99,550,455.90

Finding the Fourth Proportional to 102,384,807.90, 153,577,211.85 and 99,550,455.90

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Solution

The fourth proportional to 102,384,807.90, 153,577,211.85 and 99,550,455.90 is: 149,325,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384,807.90 : 153,577,211.85 = 99,550,455.90 : x
  2. Step 2: Convert to fraction form
    102,384,807.90/153,577,211.85 = 99,550,455.90/x
  3. Step 3: Cross multiply
    102,384,807.90x = 153,577,211.85 × 99,550,455.90
  4. Step 4: Simplify right side
    102,384,807.90x = 15,288,681,455,518,382
  5. Step 5: Solve for x
    x = 15,288,681,455,518,382/102,384,807.90
  6. Step 6: Final answer
    x = 149,325,683.85

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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.