Home / 130,640,047.35-195,964,315.02-38,516,060.40

Finding the Fourth Proportional to 130,640,047.35, 195,964,315.02 and 38,516,060.40

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Solution

The fourth proportional to 130,640,047.35, 195,964,315.02 and 38,516,060.40 is: 57,775,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,640,047.35 : 195,964,315.02 = 38,516,060.40 : x
  2. Step 2: Convert to fraction form
    130,640,047.35/195,964,315.02 = 38,516,060.40/x
  3. Step 3: Cross multiply
    130,640,047.35x = 195,964,315.02 × 38,516,060.40
  4. Step 4: Simplify right side
    130,640,047.35x = 7,547,773,393,554,947
  5. Step 5: Solve for x
    x = 7,547,773,393,554,947/130,640,047.35
  6. Step 6: Final answer
    x = 57,775,341.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.