Home / 121,712,627,597.82-182,596,989,448.24-42,124,178,220.02

Finding the Fourth Proportional to 121,712,627,597.82, 182,596,989,448.24 and 42,124,178,220.02

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Solution

The fourth proportional to 121,712,627,597.82, 182,596,989,448.24 and 42,124,178,220.02 is: 63,195,974,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,712,627,597.82 : 182,596,989,448.24 = 42,124,178,220.02 : x
  2. Step 2: Convert to fraction form
    121,712,627,597.82/182,596,989,448.24 = 42,124,178,220.02/x
  3. Step 3: Cross multiply
    121,712,627,597.82x = 182,596,989,448.24 × 42,124,178,220.02
  4. Step 4: Simplify right side
    121,712,627,597.82x = 7,691,748,125,955,859,677,184
  5. Step 5: Solve for x
    x = 7,691,748,125,955,859,677,184/121,712,627,597.82
  6. Step 6: Final answer
    x = 63,195,974,631.10

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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.