Home / 153,246,422.06-211,484,545.95-83,636,267.66

Finding the Fourth Proportional to 153,246,422.06, 211,484,545.95 and 83,636,267.66

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Solution

The fourth proportional to 153,246,422.06, 211,484,545.95 and 83,636,267.66 is: 115,420,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246,422.06 : 211,484,545.95 = 83,636,267.66 : x
  2. Step 2: Convert to fraction form
    153,246,422.06/211,484,545.95 = 83,636,267.66/x
  3. Step 3: Cross multiply
    153,246,422.06x = 211,484,545.95 × 83,636,267.66
  4. Step 4: Simplify right side
    153,246,422.06x = 17,687,778,091,027,768
  5. Step 5: Solve for x
    x = 17,687,778,091,027,768/153,246,422.06
  6. Step 6: Final answer
    x = 115,420,496.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.