Home / 98,470,547.39-147,573,791.69-76,637,290.74

Finding the Fourth Proportional to 98,470,547.39, 147,573,791.69 and 76,637,290.74

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Solution

The fourth proportional to 98,470,547.39, 147,573,791.69 and 76,637,290.74 is: 114,853,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,470,547.39 : 147,573,791.69 = 76,637,290.74 : x
  2. Step 2: Convert to fraction form
    98,470,547.39/147,573,791.69 = 76,637,290.74/x
  3. Step 3: Cross multiply
    98,470,547.39x = 147,573,791.69 × 76,637,290.74
  4. Step 4: Simplify right side
    98,470,547.39x = 11,309,655,578,967,538
  5. Step 5: Solve for x
    x = 11,309,655,578,967,538/98,470,547.39
  6. Step 6: Final answer
    x = 114,853,180.77

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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.