Home / 178,888,263.40-246,860,085.54-100,575,130.60

Finding the Fourth Proportional to 178,888,263.40, 246,860,085.54 and 100,575,130.60

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Solution

The fourth proportional to 178,888,263.40, 246,860,085.54 and 100,575,130.60 is: 138,790,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,888,263.40 : 246,860,085.54 = 100,575,130.60 : x
  2. Step 2: Convert to fraction form
    178,888,263.40/246,860,085.54 = 100,575,130.60/x
  3. Step 3: Cross multiply
    178,888,263.40x = 246,860,085.54 × 100,575,130.60
  4. Step 4: Simplify right side
    178,888,263.40x = 24,827,985,343,112,668
  5. Step 5: Solve for x
    x = 24,827,985,343,112,668/178,888,263.40
  6. Step 6: Final answer
    x = 138,790,465.46

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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.