Home / 131,220,328.40-196,830,492.60-130,464,501.20

Finding the Fourth Proportional to 131,220,328.40, 196,830,492.60 and 130,464,501.20

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Solution

The fourth proportional to 131,220,328.40, 196,830,492.60 and 130,464,501.20 is: 195,696,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,328.40 : 196,830,492.60 = 130,464,501.20 : x
  2. Step 2: Convert to fraction form
    131,220,328.40/196,830,492.60 = 130,464,501.20/x
  3. Step 3: Cross multiply
    131,220,328.40x = 196,830,492.60 × 130,464,501.20
  4. Step 4: Simplify right side
    131,220,328.40x = 25,679,392,038,009,292
  5. Step 5: Solve for x
    x = 25,679,392,038,009,292/131,220,328.40
  6. Step 6: Final answer
    x = 195,696,751.80

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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.