Home / 98,521,818.40-147,768,730.80-30,371,399.20

Finding the Fourth Proportional to 98,521,818.40, 147,768,730.80 and 30,371,399.20

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Solution

The fourth proportional to 98,521,818.40, 147,768,730.80 and 30,371,399.20 is: 45,552,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521,818.40 : 147,768,730.80 = 30,371,399.20 : x
  2. Step 2: Convert to fraction form
    98,521,818.40/147,768,730.80 = 30,371,399.20/x
  3. Step 3: Cross multiply
    98,521,818.40x = 147,768,730.80 × 30,371,399.20
  4. Step 4: Simplify right side
    98,521,818.40x = 4,487,943,112,404,135.50
  5. Step 5: Solve for x
    x = 4,487,943,112,404,135.50/98,521,818.40
  6. Step 6: Final answer
    x = 45,552,784.00

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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.