Home / 83,597,108.40-115,380,981.76-48,316,412.16

Finding the Fourth Proportional to 83,597,108.40, 115,380,981.76 and 48,316,412.16

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Solution

The fourth proportional to 83,597,108.40, 115,380,981.76 and 48,316,412.16 is: 66,686,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,597,108.40 : 115,380,981.76 = 48,316,412.16 : x
  2. Step 2: Convert to fraction form
    83,597,108.40/115,380,981.76 = 48,316,412.16/x
  3. Step 3: Cross multiply
    83,597,108.40x = 115,380,981.76 × 48,316,412.16
  4. Step 4: Simplify right side
    83,597,108.40x = 5,574,795,070,141,602
  5. Step 5: Solve for x
    x = 5,574,795,070,141,602/83,597,108.40
  6. Step 6: Final answer
    x = 66,686,458.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.