Home / 130,832,243.10-180,549,706.32-72,097,010.19

Finding the Fourth Proportional to 130,832,243.10, 180,549,706.32 and 72,097,010.19

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Solution

The fourth proportional to 130,832,243.10, 180,549,706.32 and 72,097,010.19 is: 99,494,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,243.10 : 180,549,706.32 = 72,097,010.19 : x
  2. Step 2: Convert to fraction form
    130,832,243.10/180,549,706.32 = 72,097,010.19/x
  3. Step 3: Cross multiply
    130,832,243.10x = 180,549,706.32 × 72,097,010.19
  4. Step 4: Simplify right side
    130,832,243.10x = 13,017,094,016,354,546
  5. Step 5: Solve for x
    x = 13,017,094,016,354,546/130,832,243.10
  6. Step 6: Final answer
    x = 99,494,541.31

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1.5x scale

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.