Home / 92,742,411.60-128,007,795.96-53,606,921.40

Finding the Fourth Proportional to 92,742,411.60, 128,007,795.96 and 53,606,921.40

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Solution

The fourth proportional to 92,742,411.60, 128,007,795.96 and 53,606,921.40 is: 73,991,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742,411.60 : 128,007,795.96 = 53,606,921.40 : x
  2. Step 2: Convert to fraction form
    92,742,411.60/128,007,795.96 = 53,606,921.40/x
  3. Step 3: Cross multiply
    92,742,411.60x = 128,007,795.96 × 53,606,921.40
  4. Step 4: Simplify right side
    92,742,411.60x = 6,862,103,856,614,957
  5. Step 5: Solve for x
    x = 6,862,103,856,614,957/92,742,411.60
  6. Step 6: Final answer
    x = 73,991,000.86

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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.