Home / 72,603,001.20-108,904,501.80-46,904,876.40

Finding the Fourth Proportional to 72,603,001.20, 108,904,501.80 and 46,904,876.40

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Solution

The fourth proportional to 72,603,001.20, 108,904,501.80 and 46,904,876.40 is: 70,357,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,603,001.20 : 108,904,501.80 = 46,904,876.40 : x
  2. Step 2: Convert to fraction form
    72,603,001.20/108,904,501.80 = 46,904,876.40/x
  3. Step 3: Cross multiply
    72,603,001.20x = 108,904,501.80 × 46,904,876.40
  4. Step 4: Simplify right side
    72,603,001.20x = 5,108,152,196,332,577
  5. Step 5: Solve for x
    x = 5,108,152,196,332,577/72,603,001.20
  6. Step 6: Final answer
    x = 70,357,314.60

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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.