Home / 121,712,627,597.83-182,596,989,448.24-42,124,178,220.01

Finding the Fourth Proportional to 121,712,627,597.83, 182,596,989,448.24 and 42,124,178,220.01

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Solution

The fourth proportional to 121,712,627,597.83, 182,596,989,448.24 and 42,124,178,220.01 is: 63,195,974,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,712,627,597.83 : 182,596,989,448.24 = 42,124,178,220.01 : x
  2. Step 2: Convert to fraction form
    121,712,627,597.83/182,596,989,448.24 = 42,124,178,220.01/x
  3. Step 3: Cross multiply
    121,712,627,597.83x = 182,596,989,448.24 × 42,124,178,220.01
  4. Step 4: Simplify right side
    121,712,627,597.83x = 7,691,748,125,955,494,772,736
  5. Step 5: Solve for x
    x = 7,691,748,125,955,494,772,736/121,712,627,597.83
  6. Step 6: Final answer
    x = 63,195,974,631.09

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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.