Home / 368,779,820.20-553,169,730.30-185,113,810.60

Finding the Fourth Proportional to 368,779,820.20, 553,169,730.30 and 185,113,810.60

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Solution

The fourth proportional to 368,779,820.20, 553,169,730.30 and 185,113,810.60 is: 277,670,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,779,820.20 : 553,169,730.30 = 185,113,810.60 : x
  2. Step 2: Convert to fraction form
    368,779,820.20/553,169,730.30 = 185,113,810.60/x
  3. Step 3: Cross multiply
    368,779,820.20x = 553,169,730.30 × 185,113,810.60
  4. Step 4: Simplify right side
    368,779,820.20x = 102,399,356,684,407,264
  5. Step 5: Solve for x
    x = 102,399,356,684,407,264/368,779,820.20
  6. Step 6: Final answer
    x = 277,670,715.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.