Home / 84,037,547.36-115,971,815.58-45,406,379.36

Finding the Fourth Proportional to 84,037,547.36, 115,971,815.58 and 45,406,379.36

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Solution

The fourth proportional to 84,037,547.36, 115,971,815.58 and 45,406,379.36 is: 62,660,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037,547.36 : 115,971,815.58 = 45,406,379.36 : x
  2. Step 2: Convert to fraction form
    84,037,547.36/115,971,815.58 = 45,406,379.36/x
  3. Step 3: Cross multiply
    84,037,547.36x = 115,971,815.58 × 45,406,379.36
  4. Step 4: Simplify right side
    84,037,547.36x = 5,265,860,253,293,438
  5. Step 5: Solve for x
    x = 5,265,860,253,293,438/84,037,547.36
  6. Step 6: Final answer
    x = 62,660,803.64

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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.