Home / 102,547,340.60-153,821,010.90-98,964,159.80

Finding the Fourth Proportional to 102,547,340.60, 153,821,010.90 and 98,964,159.80

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Solution

The fourth proportional to 102,547,340.60, 153,821,010.90 and 98,964,159.80 is: 148,446,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547,340.60 : 153,821,010.90 = 98,964,159.80 : x
  2. Step 2: Convert to fraction form
    102,547,340.60/153,821,010.90 = 98,964,159.80/x
  3. Step 3: Cross multiply
    102,547,340.60x = 153,821,010.90 × 98,964,159.80
  4. Step 4: Simplify right side
    102,547,340.60x = 15,222,767,103,305,142
  5. Step 5: Solve for x
    x = 15,222,767,103,305,142/102,547,340.60
  6. Step 6: Final answer
    x = 148,446,239.70

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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.