Home / 142,011,022,875.02-195,975,317,225.17-76,905,955,549.34

Finding the Fourth Proportional to 142,011,022,875.02, 195,975,317,225.17 and 76,905,955,549.34

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Solution

The fourth proportional to 142,011,022,875.02, 195,975,317,225.17 and 76,905,955,549.34 is: 106,130,275,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,011,022,875.02 : 195,975,317,225.17 = 76,905,955,549.34 : x
  2. Step 2: Convert to fraction form
    142,011,022,875.02/195,975,317,225.17 = 76,905,955,549.34/x
  3. Step 3: Cross multiply
    142,011,022,875.02x = 195,975,317,225.17 × 76,905,955,549.34
  4. Step 4: Simplify right side
    142,011,022,875.02x = 15,071,669,035,286,730,375,168
  5. Step 5: Solve for x
    x = 15,071,669,035,286,730,375,168/142,011,022,875.02
  6. Step 6: Final answer
    x = 106,130,275,876.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.