Home / 93,038,161.60-128,297,496.31-61,665,317.18

Finding the Fourth Proportional to 93,038,161.60, 128,297,496.31 and 61,665,317.18

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Solution

The fourth proportional to 93,038,161.60, 128,297,496.31 and 61,665,317.18 is: 85,035,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,038,161.60 : 128,297,496.31 = 61,665,317.18 : x
  2. Step 2: Convert to fraction form
    93,038,161.60/128,297,496.31 = 61,665,317.18/x
  3. Step 3: Cross multiply
    93,038,161.60x = 128,297,496.31 × 61,665,317.18
  4. Step 4: Simplify right side
    93,038,161.60x = 7,911,505,803,041,495
  5. Step 5: Solve for x
    x = 7,911,505,803,041,495/93,038,161.60
  6. Step 6: Final answer
    x = 85,035,061.60

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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.