Home / 130,832,244.10-180,549,707.70-72,097,011.19

Finding the Fourth Proportional to 130,832,244.10, 180,549,707.70 and 72,097,011.19

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Solution

The fourth proportional to 130,832,244.10, 180,549,707.70 and 72,097,011.19 is: 99,494,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,244.10 : 180,549,707.70 = 72,097,011.19 : x
  2. Step 2: Convert to fraction form
    130,832,244.10/180,549,707.70 = 72,097,011.19/x
  3. Step 3: Cross multiply
    130,832,244.10x = 180,549,707.70 × 72,097,011.19
  4. Step 4: Simplify right side
    130,832,244.10x = 13,017,094,296,398,128
  5. Step 5: Solve for x
    x = 13,017,094,296,398,128/130,832,244.10
  6. Step 6: Final answer
    x = 99,494,542.69

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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.