Home / 147,478,991,271.64-203,518,842,011.10-82,374,368,681.03

Finding the Fourth Proportional to 147,478,991,271.64, 203,518,842,011.10 and 82,374,368,681.03

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Solution

The fourth proportional to 147,478,991,271.64, 203,518,842,011.10 and 82,374,368,681.03 is: 113,675,418,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478,991,271.64 : 203,518,842,011.10 = 82,374,368,681.03 : x
  2. Step 2: Convert to fraction form
    147,478,991,271.64/203,518,842,011.10 = 82,374,368,681.03/x
  3. Step 3: Cross multiply
    147,478,991,271.64x = 203,518,842,011.10 × 82,374,368,681.03
  4. Step 4: Simplify right side
    147,478,991,271.64x = 16,764,736,125,357,629,898,752
  5. Step 5: Solve for x
    x = 16,764,736,125,357,629,898,752/147,478,991,271.64
  6. Step 6: Final answer
    x = 113,675,418,992.25

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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.