Home / 130,440,318.48-180,009,875.52-71,705,459.16

Finding the Fourth Proportional to 130,440,318.48, 180,009,875.52 and 71,705,459.16

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Solution

The fourth proportional to 130,440,318.48, 180,009,875.52 and 71,705,459.16 is: 98,954,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,440,318.48 : 180,009,875.52 = 71,705,459.16 : x
  2. Step 2: Convert to fraction form
    130,440,318.48/180,009,875.52 = 71,705,459.16/x
  3. Step 3: Cross multiply
    130,440,318.48x = 180,009,875.52 × 71,705,459.16
  4. Step 4: Simplify right side
    130,440,318.48x = 12,907,690,777,496,044
  5. Step 5: Solve for x
    x = 12,907,690,777,496,044/130,440,318.48
  6. Step 6: Final answer
    x = 98,954,762.82

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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.