Home / 54,312,386.10-81,468,579.15-47,297,364.90

Finding the Fourth Proportional to 54,312,386.10, 81,468,579.15 and 47,297,364.90

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Solution

The fourth proportional to 54,312,386.10, 81,468,579.15 and 47,297,364.90 is: 70,946,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312,386.10 : 81,468,579.15 = 47,297,364.90 : x
  2. Step 2: Convert to fraction form
    54,312,386.10/81,468,579.15 = 47,297,364.90/x
  3. Step 3: Cross multiply
    54,312,386.10x = 81,468,579.15 × 47,297,364.90
  4. Step 4: Simplify right side
    54,312,386.10x = 3,853,249,115,942,082
  5. Step 5: Solve for x
    x = 3,853,249,115,942,082/54,312,386.10
  6. Step 6: Final answer
    x = 70,946,047.35

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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.