Home / 66,426,242.40-99,639,363.60-63,875,325.60

Finding the Fourth Proportional to 66,426,242.40, 99,639,363.60 and 63,875,325.60

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Solution

The fourth proportional to 66,426,242.40, 99,639,363.60 and 63,875,325.60 is: 95,812,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,242.40 : 99,639,363.60 = 63,875,325.60 : x
  2. Step 2: Convert to fraction form
    66,426,242.40/99,639,363.60 = 63,875,325.60/x
  3. Step 3: Cross multiply
    66,426,242.40x = 99,639,363.60 × 63,875,325.60
  4. Step 4: Simplify right side
    66,426,242.40x = 6,364,496,792,526,788
  5. Step 5: Solve for x
    x = 6,364,496,792,526,788/66,426,242.40
  6. Step 6: Final answer
    x = 95,812,988.40

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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.