Home / 191,772,001.80-287,658,002.70-130,549,998.60

Finding the Fourth Proportional to 191,772,001.80, 287,658,002.70 and 130,549,998.60

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Solution

The fourth proportional to 191,772,001.80, 287,658,002.70 and 130,549,998.60 is: 195,824,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,772,001.80 : 287,658,002.70 = 130,549,998.60 : x
  2. Step 2: Convert to fraction form
    191,772,001.80/287,658,002.70 = 130,549,998.60/x
  3. Step 3: Cross multiply
    191,772,001.80x = 287,658,002.70 × 130,549,998.60
  4. Step 4: Simplify right side
    191,772,001.80x = 37,553,751,849,763,792
  5. Step 5: Solve for x
    x = 37,553,751,849,763,792/191,772,001.80
  6. Step 6: Final answer
    x = 195,824,997.90

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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.