Home / 130,832,247.50-180,549,712.46-72,097,014.58

Finding the Fourth Proportional to 130,832,247.50, 180,549,712.46 and 72,097,014.58

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Solution

The fourth proportional to 130,832,247.50, 180,549,712.46 and 72,097,014.58 is: 99,494,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,247.50 : 180,549,712.46 = 72,097,014.58 : x
  2. Step 2: Convert to fraction form
    130,832,247.50/180,549,712.46 = 72,097,014.58/x
  3. Step 3: Cross multiply
    130,832,247.50x = 180,549,712.46 × 72,097,014.58
  4. Step 4: Simplify right side
    130,832,247.50x = 13,017,095,251,643,428
  5. Step 5: Solve for x
    x = 13,017,095,251,643,428/130,832,247.50
  6. Step 6: Final answer
    x = 99,494,547.41

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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.