Home / 131,909,645.95-197,662,694.48-70,507,543.30

Finding the Fourth Proportional to 131,909,645.95, 197,662,694.48 and 70,507,543.30

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Solution

The fourth proportional to 131,909,645.95, 197,662,694.48 and 70,507,543.30 is: 105,653,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909,645.95 : 197,662,694.48 = 70,507,543.30 : x
  2. Step 2: Convert to fraction form
    131,909,645.95/197,662,694.48 = 70,507,543.30/x
  3. Step 3: Cross multiply
    131,909,645.95x = 197,662,694.48 × 70,507,543.30
  4. Step 4: Simplify right side
    131,909,645.95x = 13,936,710,989,490,732
  5. Step 5: Solve for x
    x = 13,936,710,989,490,732/131,909,645.95
  6. Step 6: Final answer
    x = 105,653,463.70

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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.