Home / 228,112,000.10-342,168,000.15-74,721,068.90

Finding the Fourth Proportional to 228,112,000.10, 342,168,000.15 and 74,721,068.90

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Solution

The fourth proportional to 228,112,000.10, 342,168,000.15 and 74,721,068.90 is: 112,081,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,112,000.10 : 342,168,000.15 = 74,721,068.90 : x
  2. Step 2: Convert to fraction form
    228,112,000.10/342,168,000.15 = 74,721,068.90/x
  3. Step 3: Cross multiply
    228,112,000.10x = 342,168,000.15 × 74,721,068.90
  4. Step 4: Simplify right side
    228,112,000.10x = 25,567,158,714,583,360
  5. Step 5: Solve for x
    x = 25,567,158,714,583,360/228,112,000.10
  6. Step 6: Final answer
    x = 112,081,603.35

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1.5x scale

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.