Home / 121,164,403,490.34-181,746,605,248.02-40,490,106,878.70

Finding the Fourth Proportional to 121,164,403,490.34, 181,746,605,248.02 and 40,490,106,878.70

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Solution

The fourth proportional to 121,164,403,490.34, 181,746,605,248.02 and 40,490,106,878.70 is: 60,735,160,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,164,403,490.34 : 181,746,605,248.02 = 40,490,106,878.70 : x
  2. Step 2: Convert to fraction form
    121,164,403,490.34/181,746,605,248.02 = 40,490,106,878.70/x
  3. Step 3: Cross multiply
    121,164,403,490.34x = 181,746,605,248.02 × 40,490,106,878.70
  4. Step 4: Simplify right side
    121,164,403,490.34x = 7,358,939,471,332,318,904,320
  5. Step 5: Solve for x
    x = 7,358,939,471,332,318,904,320/121,164,403,490.34
  6. Step 6: Final answer
    x = 60,735,160,322.22

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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.