Home / 153,272,547.32-211,792,795.34-109,142,932.57

Finding the Fourth Proportional to 153,272,547.32, 211,792,795.34 and 109,142,932.57

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Solution

The fourth proportional to 153,272,547.32, 211,792,795.34 and 109,142,932.57 is: 150,814,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,272,547.32 : 211,792,795.34 = 109,142,932.57 : x
  2. Step 2: Convert to fraction form
    153,272,547.32/211,792,795.34 = 109,142,932.57/x
  3. Step 3: Cross multiply
    153,272,547.32x = 211,792,795.34 × 109,142,932.57
  4. Step 4: Simplify right side
    153,272,547.32x = 23,115,686,780,348,804
  5. Step 5: Solve for x
    x = 23,115,686,780,348,804/153,272,547.32
  6. Step 6: Final answer
    x = 150,814,266.39

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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.