Home / 66,426,655.20-99,639,982.80-48,286,802.40

Finding the Fourth Proportional to 66,426,655.20, 99,639,982.80 and 48,286,802.40

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Solution

The fourth proportional to 66,426,655.20, 99,639,982.80 and 48,286,802.40 is: 72,430,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,655.20 : 99,639,982.80 = 48,286,802.40 : x
  2. Step 2: Convert to fraction form
    66,426,655.20/99,639,982.80 = 48,286,802.40/x
  3. Step 3: Cross multiply
    66,426,655.20x = 99,639,982.80 × 48,286,802.40
  4. Step 4: Simplify right side
    66,426,655.20x = 4,811,296,160,602,998
  5. Step 5: Solve for x
    x = 4,811,296,160,602,998/66,426,655.20
  6. Step 6: Final answer
    x = 72,430,203.60

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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.