Home / 78,556,733.54-108,421,484.22-45,537,637.16

Finding the Fourth Proportional to 78,556,733.54, 108,421,484.22 and 45,537,637.16

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Solution

The fourth proportional to 78,556,733.54, 108,421,484.22 and 45,537,637.16 is: 62,849,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,556,733.54 : 108,421,484.22 = 45,537,637.16 : x
  2. Step 2: Convert to fraction form
    78,556,733.54/108,421,484.22 = 45,537,637.16/x
  3. Step 3: Cross multiply
    78,556,733.54x = 108,421,484.22 × 45,537,637.16
  4. Step 4: Simplify right side
    78,556,733.54x = 4,937,258,208,759,025
  5. Step 5: Solve for x
    x = 4,937,258,208,759,025/78,556,733.54
  6. Step 6: Final answer
    x = 62,849,586.36

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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.