Home / 103,952,473.32-143,431,479.02-61,544,975.45

Finding the Fourth Proportional to 103,952,473.32, 143,431,479.02 and 61,544,975.45

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Solution

The fourth proportional to 103,952,473.32, 143,431,479.02 and 61,544,975.45 is: 84,918,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,952,473.32 : 143,431,479.02 = 61,544,975.45 : x
  2. Step 2: Convert to fraction form
    103,952,473.32/143,431,479.02 = 61,544,975.45/x
  3. Step 3: Cross multiply
    103,952,473.32x = 143,431,479.02 × 61,544,975.45
  4. Step 4: Simplify right side
    103,952,473.32x = 8,827,486,854,018,207
  5. Step 5: Solve for x
    x = 8,827,486,854,018,207/103,952,473.32
  6. Step 6: Final answer
    x = 84,918,487.96

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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.