Home / 157,464,186.90-236,196,280.35-138,970,040.10

Finding the Fourth Proportional to 157,464,186.90, 236,196,280.35 and 138,970,040.10

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Solution

The fourth proportional to 157,464,186.90, 236,196,280.35 and 138,970,040.10 is: 208,455,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,186.90 : 236,196,280.35 = 138,970,040.10 : x
  2. Step 2: Convert to fraction form
    157,464,186.90/236,196,280.35 = 138,970,040.10/x
  3. Step 3: Cross multiply
    157,464,186.90x = 236,196,280.35 × 138,970,040.10
  4. Step 4: Simplify right side
    157,464,186.90x = 32,824,206,551,710,340
  5. Step 5: Solve for x
    x = 32,824,206,551,710,340/157,464,186.90
  6. Step 6: Final answer
    x = 208,455,060.15

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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.