Home / 130,945,285.58-180,708,855.15-71,409,838.46

Finding the Fourth Proportional to 130,945,285.58, 180,708,855.15 and 71,409,838.46

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Solution

The fourth proportional to 130,945,285.58, 180,708,855.15 and 71,409,838.46 is: 98,547,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,945,285.58 : 180,708,855.15 = 71,409,838.46 : x
  2. Step 2: Convert to fraction form
    130,945,285.58/180,708,855.15 = 71,409,838.46/x
  3. Step 3: Cross multiply
    130,945,285.58x = 180,708,855.15 × 71,409,838.46
  4. Step 4: Simplify right side
    130,945,285.58x = 12,904,390,153,917,282
  5. Step 5: Solve for x
    x = 12,904,390,153,917,282/130,945,285.58
  6. Step 6: Final answer
    x = 98,547,955.33

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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.