Home / 131,081,671,100.34-180,892,706,319.09-70,934,640,161.22

Finding the Fourth Proportional to 131,081,671,100.34, 180,892,706,319.09 and 70,934,640,161.22

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Solution

The fourth proportional to 131,081,671,100.34, 180,892,706,319.09 and 70,934,640,161.22 is: 97,889,803,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,081,671,100.34 : 180,892,706,319.09 = 70,934,640,161.22 : x
  2. Step 2: Convert to fraction form
    131,081,671,100.34/180,892,706,319.09 = 70,934,640,161.22/x
  3. Step 3: Cross multiply
    131,081,671,100.34x = 180,892,706,319.09 × 70,934,640,161.22
  4. Step 4: Simplify right side
    131,081,671,100.34x = 12,831,559,030,533,896,798,208
  5. Step 5: Solve for x
    x = 12,831,559,030,533,896,798,208/131,081,671,100.34
  6. Step 6: Final answer
    x = 97,889,803,531.05

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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.