Home / 102,547,374.60-153,821,061.90-98,964,193.80

Finding the Fourth Proportional to 102,547,374.60, 153,821,061.90 and 98,964,193.80

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Solution

The fourth proportional to 102,547,374.60, 153,821,061.90 and 98,964,193.80 is: 148,446,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547,374.60 : 153,821,061.90 = 98,964,193.80 : x
  2. Step 2: Convert to fraction form
    102,547,374.60/153,821,061.90 = 98,964,193.80/x
  3. Step 3: Cross multiply
    102,547,374.60x = 153,821,061.90 × 98,964,193.80
  4. Step 4: Simplify right side
    102,547,374.60x = 15,222,777,380,393,396
  5. Step 5: Solve for x
    x = 15,222,777,380,393,396/102,547,374.60
  6. Step 6: Final answer
    x = 148,446,290.70

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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.