Home / 191,909,587.60-287,864,381.40-157,472,210.80

Finding the Fourth Proportional to 191,909,587.60, 287,864,381.40 and 157,472,210.80

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Solution

The fourth proportional to 191,909,587.60, 287,864,381.40 and 157,472,210.80 is: 236,208,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,587.60 : 287,864,381.40 = 157,472,210.80 : x
  2. Step 2: Convert to fraction form
    191,909,587.60/287,864,381.40 = 157,472,210.80/x
  3. Step 3: Cross multiply
    191,909,587.60x = 287,864,381.40 × 157,472,210.80
  4. Step 4: Simplify right side
    191,909,587.60x = 45,330,640,549,632,400
  5. Step 5: Solve for x
    x = 45,330,640,549,632,400/191,909,587.60
  6. Step 6: Final answer
    x = 236,208,316.20

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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.