Home / 130,365,093.60-195,547,640.40-128,349,554.40

Finding the Fourth Proportional to 130,365,093.60, 195,547,640.40 and 128,349,554.40

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Solution

The fourth proportional to 130,365,093.60, 195,547,640.40 and 128,349,554.40 is: 192,524,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365,093.60 : 195,547,640.40 = 128,349,554.40 : x
  2. Step 2: Convert to fraction form
    130,365,093.60/195,547,640.40 = 128,349,554.40/x
  3. Step 3: Cross multiply
    130,365,093.60x = 195,547,640.40 × 128,349,554.40
  4. Step 4: Simplify right side
    130,365,093.60x = 25,098,452,509,311,440
  5. Step 5: Solve for x
    x = 25,098,452,509,311,440/130,365,093.60
  6. Step 6: Final answer
    x = 192,524,331.60

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1.5x scale

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.