Home / 98,338,213.60-147,507,320.40-47,319,877.60

Finding the Fourth Proportional to 98,338,213.60, 147,507,320.40 and 47,319,877.60

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Solution

The fourth proportional to 98,338,213.60, 147,507,320.40 and 47,319,877.60 is: 70,979,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,338,213.60 : 147,507,320.40 = 47,319,877.60 : x
  2. Step 2: Convert to fraction form
    98,338,213.60/147,507,320.40 = 47,319,877.60/x
  3. Step 3: Cross multiply
    98,338,213.60x = 147,507,320.40 × 47,319,877.60
  4. Step 4: Simplify right side
    98,338,213.60x = 6,980,028,346,431,984
  5. Step 5: Solve for x
    x = 6,980,028,346,431,984/98,338,213.60
  6. Step 6: Final answer
    x = 70,979,816.40

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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.