Home / 102,528,640.80-153,792,961.20-64,308,045.60

Finding the Fourth Proportional to 102,528,640.80, 153,792,961.20 and 64,308,045.60

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Solution

The fourth proportional to 102,528,640.80, 153,792,961.20 and 64,308,045.60 is: 96,462,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,640.80 : 153,792,961.20 = 64,308,045.60 : x
  2. Step 2: Convert to fraction form
    102,528,640.80/153,792,961.20 = 64,308,045.60/x
  3. Step 3: Cross multiply
    102,528,640.80x = 153,792,961.20 × 64,308,045.60
  4. Step 4: Simplify right side
    102,528,640.80x = 9,890,124,761,808,630
  5. Step 5: Solve for x
    x = 9,890,124,761,808,630/102,528,640.80
  6. Step 6: Final answer
    x = 96,462,068.40

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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.