Home / 251,666,518.02-347,310,569.93-140,157,358.53

Finding the Fourth Proportional to 251,666,518.02, 347,310,569.93 and 140,157,358.53

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Solution

The fourth proportional to 251,666,518.02, 347,310,569.93 and 140,157,358.53 is: 193,423,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,666,518.02 : 347,310,569.93 = 140,157,358.53 : x
  2. Step 2: Convert to fraction form
    251,666,518.02/347,310,569.93 = 140,157,358.53/x
  3. Step 3: Cross multiply
    251,666,518.02x = 347,310,569.93 × 140,157,358.53
  4. Step 4: Simplify right side
    251,666,518.02x = 48,678,132,070,937,648
  5. Step 5: Solve for x
    x = 48,678,132,070,937,648/251,666,518.02
  6. Step 6: Final answer
    x = 193,423,155.59

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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.