Home / 61,742,904.89-92,590,815.60-20,791,349.02

Finding the Fourth Proportional to 61,742,904.89, 92,590,815.60 and 20,791,349.02

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Solution

The fourth proportional to 61,742,904.89, 92,590,815.60 and 20,791,349.02 is: 31,179,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742,904.89 : 92,590,815.60 = 20,791,349.02 : x
  2. Step 2: Convert to fraction form
    61,742,904.89/92,590,815.60 = 20,791,349.02/x
  3. Step 3: Cross multiply
    61,742,904.89x = 92,590,815.60 × 20,791,349.02
  4. Step 4: Simplify right side
    61,742,904.89x = 1,925,087,963,301,799
  5. Step 5: Solve for x
    x = 1,925,087,963,301,799/61,742,904.89
  6. Step 6: Final answer
    x = 31,179,096.07

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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.