Home / 102,528,022.80-153,792,034.20-64,307,427.60

Finding the Fourth Proportional to 102,528,022.80, 153,792,034.20 and 64,307,427.60

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Solution

The fourth proportional to 102,528,022.80, 153,792,034.20 and 64,307,427.60 is: 96,461,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,022.80 : 153,792,034.20 = 64,307,427.60 : x
  2. Step 2: Convert to fraction form
    102,528,022.80/153,792,034.20 = 64,307,427.60/x
  3. Step 3: Cross multiply
    102,528,022.80x = 153,792,034.20 × 64,307,427.60
  4. Step 4: Simplify right side
    102,528,022.80x = 9,889,970,104,773,224
  5. Step 5: Solve for x
    x = 9,889,970,104,773,224/102,528,022.80
  6. Step 6: Final answer
    x = 96,461,141.40

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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.