Home / 85,699,244.24-118,301,148.18-57,859,666.74

Finding the Fourth Proportional to 85,699,244.24, 118,301,148.18 and 57,859,666.74

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Solution

The fourth proportional to 85,699,244.24, 118,301,148.18 and 57,859,666.74 is: 79,870,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,699,244.24 : 118,301,148.18 = 57,859,666.74 : x
  2. Step 2: Convert to fraction form
    85,699,244.24/118,301,148.18 = 57,859,666.74/x
  3. Step 3: Cross multiply
    85,699,244.24x = 118,301,148.18 × 57,859,666.74
  4. Step 4: Simplify right side
    85,699,244.24x = 6,844,865,008,654,158
  5. Step 5: Solve for x
    x = 6,844,865,008,654,158/85,699,244.24
  6. Step 6: Final answer
    x = 79,870,774.47

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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.