Home / 130,931,084.40-196,389,526.44-40,054,681.20

Finding the Fourth Proportional to 130,931,084.40, 196,389,526.44 and 40,054,681.20

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Solution

The fourth proportional to 130,931,084.40, 196,389,526.44 and 40,054,681.20 is: 60,079,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,931,084.40 : 196,389,526.44 = 40,054,681.20 : x
  2. Step 2: Convert to fraction form
    130,931,084.40/196,389,526.44 = 40,054,681.20/x
  3. Step 3: Cross multiply
    130,931,084.40x = 196,389,526.44 × 40,054,681.20
  4. Step 4: Simplify right side
    130,931,084.40x = 7,866,319,872,573,171
  5. Step 5: Solve for x
    x = 7,866,319,872,573,171/130,931,084.40
  6. Step 6: Final answer
    x = 60,079,849.71

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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.