Home / 161,762,428.80-242,643,643.20-107,342,870.40

Finding the Fourth Proportional to 161,762,428.80, 242,643,643.20 and 107,342,870.40

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Solution

The fourth proportional to 161,762,428.80, 242,643,643.20 and 107,342,870.40 is: 161,014,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762,428.80 : 242,643,643.20 = 107,342,870.40 : x
  2. Step 2: Convert to fraction form
    161,762,428.80/242,643,643.20 = 107,342,870.40/x
  3. Step 3: Cross multiply
    161,762,428.80x = 242,643,643.20 × 107,342,870.40
  4. Step 4: Simplify right side
    161,762,428.80x = 26,046,065,145,401,440
  5. Step 5: Solve for x
    x = 26,046,065,145,401,440/161,762,428.80
  6. Step 6: Final answer
    x = 161,014,305.60

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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.